8 Mexico 1861 Issues

12, USED, TAMPICO & SANTA ANA DE TAMAULIPAS CANCEL, 117 SENT, WITH MEPSI CERTIFICATE

12, USED, MEXICO AND CANCEL, WITH MEPSI CERTIFICATE

7b, MINT, OG LH

9, MINT, OG LH, SAN LUIS POTOSI, HUGE MARGINS, WITH MEPSI CERTIFICATE

8c, MINT, OG HR