Note Description | PrAg | G | VG | F | VF | VF EPQ | 40 | 40 EPQ | 45 | 45 EPQ | 50 | 50 EPQ | 53 | 53 EPQ | 55 | 55 EPQ | 58 | 58 EPQ | 60 | 60 EPQ | 61 | 61 EPQ | 62 | 62 EPQ | 63 | 63_EPQ | 64 EPQ | 65 EPQ | 66 EPQ | 67 EPQ | 68 EPQ | 69 EPQ | 70 EPQ |
1978-81
| 23387 | 50 Colones 1978 Commemorative Issue COS251a | | | 9 | 9 | 12 | 16 | 24 | 28 | 37 | 41 | 50 | 54 | 63 | 69 | 81 | 89 | 106 | 114 | 131 | 142 | 163 | 163 | 179 | 184 | 200 | 212 | 219 | 234 | 243 | 262 | 295 |
1982-86 - Printer: TDLR
| 23388 | 50 Colones 1979 Commemorative Issue COS251b | | | 6 | 6 | 9 | 12 | 16 | 20 | 24 | 27 | 32 | 35 | 41 | 45 | 54 | 58 | 67 | 74 | 89 | 96 | 111 | 111 | 123 | 127 | 139 | 147 | 152 | 163 | 170 | 183 | 209 |