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Mexico 20th/21st Century Mint Errors (Misc.)

Category:  Mint Errors
Owner:  SD_MexCoins
Last Modified:  9/22/2023
Set Description
Mexico 20th/21st Century Mint Errors (Misc.)

Set Goals
Collect as many of the known error varieties for the various denominations from 20th & 21st century Mexico.

Slot Name
Origin/Country
Item Description
Full Grade
Owner Comments
Pics
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Brass 5C 1976Mo Mo 9553.02 PLANCHET CRACK @ 12:00 NGC MINT ERROR MS 66 Mexico City Mint Error

5 centavos which was struck on a defective planchet. Planchet crack at K-12 reverse view and K-6 obverse view.

#03QO23
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Brass 5C 1953Mo Mo 9553.01 PLANCHET CRACK @ 2:00 NGC MINT ERROR MS 64 RD Mexico City Mint Error

Planchet crack.@ 5:00 (reverse view).

#10CD22
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Brass 5C 1976Mo Mo 9553.03 STRUCK ON A DEFECTIVE PLANCHET (2.6g) NGC MINT ERROR MS 64 Mexico City Mint Error

5 centavos which was struck on a defective planchet. Small dig on the forehead of Josefa.

#05CD22
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Brass 1C 1963Mo Mo 9576 CURVED CLIP @ 5:00 NGC MINT ERROR MS 65 Mexico City Mint Error

1 centavo which was struck on a curved clipped planchet (5% @ K-5).

#05CU22
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 20C 1981Mo Mo OPEN 8 9580.08 CURVED CLIP @ 1:00 NGC MINT ERROR MS 65 Mexico City Mint Error

5% Curved Clip @ 1:00 (reverse view).

#10CO22
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 20C 1977Mo Mo 9580.06 CURVED CLIP @ 1:00 NGC MINT ERROR MS 64 Mexico City Mint Error

5% Curved Clip @ 5:00 (reverse view).

#10CO22
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 20C 1982Mo Mo 9580.07 CURVED CLIP @ 1:00 NGC MINT ERROR MS 63 Mexico City Mint Error

20 centavos which was struck on a curved clipped planchet (5% @ K-1). Die clash evident on the reverse.

#05CD22
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 50C 1982Mo Mo 9582 30% CURVED CLIP NGC MINT ERROR MS 67 Mexico City Mint Error

50 centavos which was struck on a curved clipped planchet (30% @ K-10). Probably closer to 35% clip, not 30% clip.

#12CQ20
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 10P 1979Mo Mo 9587.05 55% CLIP (7.9g) NGC MINT ERROR MS 65 Mexico City Mint Error

10 pesos which was struck on a curved clipped planchet (55% @ K-7). Probably closer to 45-50% clip, not 55% clip.

#05SO20
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 20P 1981Mo Mo 9588.02 TRIPLE CURVED CLIPS NGC MINT ERROR MS 65 Mexico City Mint Error

20 pesos which was struck on a triple curved clipped planchet (10% @ K-5, 15% @ K-8 and <5% @ K-11).

#05ST20
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 200P 1985Mo Mo 1910 REVOLUTION 75TH ANNIVERSARY 9592.01b CURVED CLIP @ 5:00 NGC MINT ERROR MS 63 Mexico City Mint Error

200 pesos which was struck on a curved clipped planchet (5% @ K-7, not K-5 as noted on label).

#05CQ20
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 500P 1988Mo Mo 9593.02 TRIPLE CURVED CLIPS NGC MINT ERROR MS 63 Mexico City Mint Error

500 pesos with triple curved clips (<5% @ K-4, 10% @ K-7 & 5% @ K-10).

#12CT20
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 5000P 1988Mo Mo NATIONAL. OIL INDUSTRY 50TH ANNIVERSARY 9595 CLIPPED PLANCHET (16.67g) NGC MINT ERROR MS 66 Mexico City Mint Error

500 pesos which was struck on a curved clipped planchet (5% @ K-1).

#04SD21
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Brass 5C 1974Mo Mo 9603.03 REVERSE LAMINATION BEFORE STRIKE NGC MINT ERROR MS 64 Mexico City Mint Error

5 centavos which was struck on a laminated planchet (before strike), reverse view.

#03ED23
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Brass 5C 1968Mo Mo 9603.01b DEFECTIVE PLANCHET NGC MINT ERROR MS 65 Mexico City Mint Error

5 centavos which was struck on a defective planchet. Possible lamination.

#05CC22
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Brass 5C 1972Mo Mo 9603.02 REV RETAINED LAMINATION NGC MINT ERROR MS 62 Mexico City Mint Error

5 centavos which was struck on a laminated planchet, reverse view.

#04QE21
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Silver (.800) 10C 1907M M 9604.06 REVERSE LAMINATION NGC MINT ERROR MS 67 Mexico City Mint Error

10 centavos which was struck on a laminated planchet which is visible on the obverse. NGC mis-attributed and stated the lamination was on the reverse.

#08EU23
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 10C 1946M M 9604.06 OBV & REV LAMINATIONS NGC MINT ERROR MS 65 Mexico City Mint Error

10 centavos which was struck on a laminated planchet which is visible on both the obverse and the reverse.

#04SO21
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Bronze 20C 1935Mo Mo BRONZE 9605.01 OBVERSE LAMINATION NGC MINT ERROR AU 58 BN Mexico City Mint Error

20 centavos which was struck on a defective planchet. Lamination from K-6 to K-7 on the obverse.

#05SQ22
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Silver (.900) S10P 1960Mo Mo INDEPENDENCE ANNIVERSARY 9612 OBV RETAINED LAMINATION NGC MINT ERROR MS 64 Mexico City Mint Error

10 pesos with a piece of retained lamination on the reverse (not obverse as noted on the label).

#11EE21
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Silver (.999) 1 Onza 1982Mo Mo Silver 9621.01b OBVERSE AND REVERSE LAMINATION NGC MINT ERROR MS 66 Mexico City Mint Error

1 onza (Libertad) which was struck on a defective planchet. Lamination on both obverse and reverse.

#05EO22
View Coin   MEXICO - 1905 TO DATE Mexico Modern Silver (.999) 1 Onza 1982Mo Mo Silver 9621 Reverse Lamination NGC MINT ERROR MS 65 Mintage 1,049,680 (includes all varieties)

Mint error; lamination on reverse.

#04EE20
View Coin   MEXICO - MISC. MEDALS Mexico Modern - 20th Century Brass GOLD 2002Mo 1oz Mo 1828 OCCIDENTE 1/8 REAL NUMISMATIC HERITAGE 9753 BROADSTRUCK WITH OBVERSE BROCKAGE NGC MINT ERROR MS 64 RB Mexico City Mint Error

5 centavos which was Broadstruck with Obverse Brockage.

NCS performed on the coin which changed the grade from MS 63 RB to MS 64 RB.

#04EQ21
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 20C 1981Mo Mo CLOSED 8, HIGH DATE 9755.08 BROADSTRUCK OBVERSE INDENT NGC MINT ERROR MS 63 Mexico City Mint Error

20 centavos which was broadstruck and obverse indent.

#09OQ23
View Coin   Mexico Mexico Modern - 20th Century Copper-Nickel 20C 1980Mo MEXICO STRUCK 15% OFF CENTER OBVERSE BROCKAGE 9755.07 NGC MINT ERROR UNC Details Mexico City Mint Error

20 centavos which was struck 15% off center with obverse brockage.

#09UZO23
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 20C 1979Mo Mo 9755.06b OBVERSE BROCKAGE NGC MINT ERROR MS 64 Mexico City Mint Error

20 centavos which was struck with obverse brockage.

#09SC23
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 20C 1979Mo Mo 9755.06a OBVERSE BROCKAGE PARTIAL COLLAR NGC MINT ERROR MS 65 Mexico City Mint Error

20 centavos which was struck with obverse and partial collar.

#09NS23
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 20C 1978Mo Mo 9755.05 OBVERSE BROCKAGE PARTIAL COLLAR NGC MINT ERROR MS 64 Mexico City Mint Error

20 centavos which was struck with obverse brockage and partial collar.

#09OQ23
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 20C 1975Mo Mo 9755.03 OBVERSE BROCKAGE NGC MINT ERROR MS 63 Mexico City Mint Error

20 centavos which was struck with obverse (partial) brockage.

#03SU23
View Coin   Mexico Mexico Modern - 20th Century Copper-Nickel 20C (1974-83) MEXICO 9755.01b STRUCK 90% OFF CENTER WITH REVERSE INDENT NGC MINT ERROR MS 66 Mexico City Mint Error

20 centavos which was struck 90% off center with reverse indent. Coin is not dated, but these were struck between 1974-83.

#04CO21
View Coin   Mexico Mexico Modern - 20th Century Copper-Nickel PESO ND(1970-83) MEXICO 9758 35% OFF CENTER WITH OBVERSE INDENT NGC MINT ERROR MS 65 Mexico City Mint Error

1 peso which was struck 35% off center with an obverse indent. Not dated, however this coin was struck between 1970-83.

#04ET21
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 5P 1976Mo Mo LARGE DATE 9761 DOUBLE STRUCK WITH REVERSE INDENT NGC MINT ERROR MS 63 Mexico City Mint Error

5 pesos which was double struck with a reverse indent

#04SO21
View Coin   Mexico Mexico Modern - 20th Century Copper-Nickel 20P 1980Mo MEXICO 9763 DOUBLE REVERSE INDENT NGC MINT ERROR MS 68 Mexico City Mint Error

20 pesos which was struck with a double indent reverse strike.

#12CO20
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Aluminum-Bronze 100P 1990Mo Mo 9766.03 OBVERSE BROCKAGE PARTIAL COLLAR NGC MINT ERROR MS 64 Mexico City Mint Error

100 pesos with obverse brockage, as well as struck in a partial collar.

#03DDZ23
View Coin   Mexico Mexico Modern - 20th Century Aluminum-Bronze 10P 198XMo MEXICO OBVERSE INDENT PARTIAL COLLAR 9766.02 NGC MINT ERROR Mexico City Mint Error

100 pesos with an obverse indent and partial collar. Missing grade probably due to extent of the mint error characteristics on the coin.

#05CE22
View Coin   Mexico Mexico Modern - 20th Century Copper-Nickel 20C 1975Mo MEXICO OBVERSE AND REVERSE STRUCK THRU 9780.01 NGC MINT ERROR Mexico City Mint Error

Obverse and reverse struck thru.

#10CD22
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 20C 1976Mo Mo 9780.02 OBVERSE STRUCK THRU NGC MINT ERROR MS 63 Mexico City Mint Error

20 centavos which was struck through on the obverse. About two thirds of the obverse surface has been struck through.

#04CZ21
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Silver (.720) PESO 1944M M 9783.01 REV STRUCK THRU NGC MINT ERROR MS 65 Mexico City Mint Error

1 peso which was struck through on the obverse at K-2 at the edge. Please note, this should be attributed as the obverse, not the reverse. The strike through appears to have been a piece of wire or possibly a thick thread.

#05SE22
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Aluminum-Bronze 20P 1989Mo Mo 9788 REVERSE STRUCK THRU NGC MINT ERROR MS 64 Mexico City Mint Error

Reverse struck thru.

#10CZ22
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Silver (.720) S25P 1968Mo Mo 9789.01 OBVERSE AND REVERSE STRUCK THRU NGC MINT ERROR MS 62 Mexico City Mint Error

25 pesos struck through an object or liquid on the reverse. NGC label also states the struck through on the obverse, however that is not accurate as there is only toning seen on the obverse.

Previously graded MS 63 by ANACS. NGC Crossover lost one grade.

#09UTU23
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Silver (.720) S25P 1968Mo Mo 9789.2 REVERSE STRUCK THRU NGC MINT ERROR MS 66 Mexico City Mint Error

25 pesos struck through an object or liquid on the reverse.

#05CZ20
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Aluminum-Bronze 100P 1988Mo Mo 9791.02 REVERSE STRUCK THRU NGC MINT ERROR MS 64 Mexico City Mint Error

Reverse struck thru.

#10QN22
View Coin   Mexico Mexico Modern - 20th Century Aluminum-Bronze 100P (1984-89)Mo MEXICO 9791.01 REVERSE STRUCK THRU NGC MINT ERROR MS 64 Mexico City Mint Error

100 pesos which has a reverse strike through. Visible around the bottom part of the bust, denomination and a portion of the date.

#05CZ22
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Silver (.925) 1 Onza 1979Mo Mo Silver 9796 Obverse Struck Thru NGC MINT ERROR MS 65 Mintage 4,508,000 (includes all varieties)

Type 4, Pan Points between "U" and "N" in "UNA"
Type variety not noted on label.

Mint error; struck through cloth or other material on obverse.

#04CC20
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Brass 5C 1974Mo Mo 9803 DOUBLE STRUCK WITH CURVED CLIP NGC MINT ERROR UNC Details Mexico City Mint Error

5 centavos which was double struck on a curved clipped planchet (<5% @ K-1). Obverse Wheel Mark noted on the label which is most likely why this coin got the DETAILS attribution.

#04SS21
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 10C 1979Mo Mo 5 ROWS OF CORN 9804.01 DOUBLE STRUCK, 2ND STRIKE OFF CENTER NGC MINT ERROR MS 66 Mexico City Mint Error

10 centavos which was double struck, 2nd strike is off center.

#04SO21
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel 20C 1980Mo Mo 9805 DOUBLE STRUCK BOTH STRIKES OFF CENTER NGC MINT ERROR MS 63 Mexico City Mint Error

20 centavos which was double struck and both were off center.

#04CS21
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Copper-Nickel PESO 1980Mo Mo CLOSED 8 9808 DOUBLE STRUCK, 2ND STRIKE OFF CENTER NGC MINT ERROR MS 63 Mexico City Mint Error

1 peso which was double struck, 2nd strike is off center.

#04EO21
View Coin   Mexico Mexico Modern - 20th Century Copper-Nickel 10P (1974-85)Mo MEXICO 9812 STRUCK 40% OFF CENTER DOUBLE STRUCK NGC MINT ERROR MS 63 Mexico City Mint Error

10 pesos which was double struck, as well as 40% off center.

NGC has an in accurate date range noted on the planchet since there is no date visible on the coin. The coin was struck between 1978-1985 since it is the thick planchet type.

#04EO21
View Coin   MEXICO - 1905 TO DATE Mexico Modern - 20th Century Aluminum-Bronze 20P 1988Mo Mo 9813 DOUBLE STRUCK, 2ND O/C NGC MINT ERROR UNC Details Mexico City Mint Error

20 pesos which was double struck, 2nd strike is off center. NGC gave this coin a DETAILS designation due to OBV DAMAGE, most likely due to some marks on the reverse, not obverse as noted on the label. No visible issues can be seen on the obverse. The reverse also shows signs of slight edge filing at K-7.

#04EO21
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