O2 Mexico Official Issues

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

O13, MINT, OG LH, WATERMARK 152

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

O4, MINT, OG LH, GREEN

O10-19, MINT, LH/HR. ALL W/ RED OVRPRINT (10) STAMPS, (2)SHOWN