JKM US Type, Including Modern
$1 SACAGAWEA NATIVE AMERICAN REVERSE (2009-DATE)

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Coin Details

Origin/Country: United States
Design Description: DOLLARS - SACAGAWEA, PROOF
Item Description: $1 2019 S Sacagawea Mary Golda Ross First Releases
Full Grade: NGC PF 70 ULTRA CAMEO
Owner: JKMulcahey

Set Details

Custom Sets: Math & Physics Coins
Competitive Sets: JKM US Type, Including Modern   Score: 272
Research: NGC Coin Explorer NGC Coin Price Guide
NGC US Coin Census for Sacagawea Dollars (2000-Date)

Owner Comments:

Mary Golda Ross, 1908-2008, was the first known Native America female engineer, and the first female engineer in the history of Lockheed. She was one of the 40 founding engineers of the renowned and highly secretive Skunk Works project at Lockheed. The formula shown is for escape velocity, V^2(∞) = V^2 -2 mu / r.

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