O18 Mexico Official Issues

O11, MINT, OG LH, WATERMARK 152

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

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

O19, USED, WATERMARK EUM

O12, MINT, OG LH, WATERMARK 152