6 Mexico 1861 Issues

10, MINT, NG, MEXICO, WITH MEPSI CERTIFICATE

6, MINT, ACAPULCO, LARGE MARGINS, B R PROBLEM

11d, NG, WITHOUT DISTRICT OVERPRINT, WITH MEPSI CERTIFICATE

7, USED, AGUASCALIENTES & CANCEL, FRAME LINE AT BOTTOM

9, MINT, OG LH