10, USED, TABASCO AND CANCEL
8, USED, SAN LUIS POTOSI AND CANCEL
8, USED, SAN LUIS POTOSI AND CANCEL, ON PIECE
7, USED, SAN LUIS POTOSI AND CANCEL
7, USED, SAN LUIS POTOSI AND CANCEL ON PIECE
8, USED, SAN LUIS POTOSI, UNKNOWN CANCEL
7, USED, SAN LUIS POTOSI AND CANCEL, NICE PAIR
7, USED, PAIR, SAN LUIS POTOSI AND CANCEL, NICE
6, USED, SAN LUIS POTOSI AND CANCEL, UNUSUAL OVERPRINT
9, MINT, NG, SAN LUIS POTOSI
7, MINT, NG, SAN LUIS POTOSI
8, USED, SALTILLO WITH SALTILLO CANCEL
7, USED, SALTILLO WITH SALTILLO CANCEL
7, USED, QUERETARO WITH CELAYA CANCEL