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 |
1966-73
| 33667 | 20 Pesos Oro 1966-68 Issue COL409a | | | 12 | 20 | 37 | 67 | 115 | 140 | 190 | 214 | 262 | 289 | 345 | 374 | 434 | 461 | 515 | 531 | 565 | 583 | 620 | 620 | 655 | 666 | 703 | 729 | 742 | 768 | 781 | 809 | 831 |
1974
| 33668 | 20 Pesos Oro 1966-68 Issue COL409b | | | 3 | 3 | 6 | 9 | 12 | 16 | 24 | 28 | 37 | 42 | 54 | 61 | 76 | 82 | 94 | 98 | 106 | 111 | 123 | 123 | 131 | 135 | 147 | 155 | 159 | 167 | 171 | 179 | 186 |
1974-77
| 33669 | 20 Pesos Oro 1966-68 Issue COL409c | | | 24 | 45 | 81 | 139 | 223 | 264 | 348 | 385 | 461 | 503 | 588 | 632 | 721 | 760 | 838 | 862 | 911 | 937 | 990 | 990 | 1039 | 1056 | 1108 | 1144 | 1162 | 1198 | 1217 | 1257 | 1286 |
1979-83
| 33670 | 20 Pesos Oro 1966-68 Issue COL409d | | | 3 | 3 | 3 | 3 | 6 | 8 | 12 | 13 | 16 | 18 | 24 | 26 | 32 | 36 | 45 | 46 | 50 | 53 | 59 | 59 | 63 | 64 | 70 | 76 | 77 | 81 | 83 | 89 | 94 |