O106 Mexico Official Issues

O6, MINT, OG LH, BLUE

O19, MINT, OG LH, WATERMARK 152

O22, USED, WATERMARK EUM, INVERTED OVERPRINT

O10-22, MINT, OG NH/LH, BLACK PROOF SET, CS/13, (3) SHOWN

O10 TO 22, MINT, OG LH/HR/NG, COMPLETE SET, WITH RED OVERPRINT