3, USED, SAN LUIS POTOSI AND CANCEL, ON PIECE, GREAT MARGINS
3, USED, SAN LUIS POTOSI AND CANCEL, NICE MARGINS
3, USED, SAN LUIS POTOSI AND CANCEL, 4+ MARGINS
3, USED, SAN LUIS POTOSI AND CANCEL, 2 DISTRICT NAMES, OK MARGINS
3, USED, SAN LUIS POTOSI AND CANCEL, 4 MARGINS
2, USED, SAN LUIS POTOSI AND CANCEL, NICE MARGINS
3, USED, SAN LUIS POTOSI AND CANCEL, ON PIECE, NICE
1, USED, SAN LUIS POTOSI AND FRANCO CANCEL, USED IN ZACATECAS, NICE
4, USED, SAN LUIS POTOSI AND CANCEL, NICE 4 MARGINS, VERY NICE
3b, USED, SAN LUIS POTOSI AND CANCEL, HUGE MARGINS, EMERALD, UNUSUAL
3b, USED, SAN LUIS POTOSI AND CANCEL, HUGE MARGINS, EMERALD SHADE, PLATE 1
5, MINT, NG, SAN LUIS POTOSI, FANTASTIC MARGINS
5, MINT, NG, SAN LUIS POTOSI, GREAT MARGINS
4, MINT, NG, SAN LUIS POTOSI, 4+ MARGINS
4, MINT, NG, SAN LUIS POTOSI, CLOSE AT TOP, OTHERWISE GREAT MARGINS
3, MINT, NG, SAN LUIS POTOSI, NICE MARGINS
3, MINT, NG, SAN LUIS POTOSI, GREAT MARGINS
2, MINT, OG LH, SAN LUIS POTOSI, 4 MARGINS
3, USED, QUERETARO WITH VILLA DE SAN FELIPE CANCEL, 3 GOOD MARGINS
2, USED, QUERETARO WITH VILLA DE SAN FELIPE CANCEL, GREAT MARGINS
3, USED, QUERETARO WITH VILLA DE SAN FELIPE CANCEL, GREAT MARGINS
2, USED, QUERETARO WITH VALLE DE SANTIAGO CANCEL, 4 GREAT MARGINS
2, USED, QUERETARO WITH VALLE DE SANTIAGO CANCEL, 4 GOOD MARGINS
2, PAIR, USED, QUERETARO WITH SAN LUIS DE LA PAZ CANCEL, ON PAIR, 3 MARGINS
3, USED, QUERETARO WITH SAN LUIS DE LA PAZ CANCEL, 4 GREAT MARGINS
3, USED, QUERETARO WITH RED SAN JUAN DEL RIO, ON PIECE, NICE MARGINS
3, USED, QUERETARO WITH RED SAN JUAN DEL RIO ON PIECE, 4 MARGINS
2 PAIR, USED, QUERETARO WITH RED SAN JUAN DEL RIO, GOOD MARGINS
2 PAIR, USED, QUERETARO WITH RED SAN JUAN DEL RIO, PAIR ON PIECE, NICE
3, USED, QUERETARO WITH BLACK SAN JUAN DEL RIO, 4 MARGINS
2, USED, QUERETARO WITH BLACK SAN JUAN DEL RIO, 4 MARGINS
3, USED, QUERETARO WITH RED SAN JUAN DEL RIO, GREAT MARGINS
3, USED, QUERETARO WITH RED SAN JUAN DEL RIO, NICE MARGINS
3, USED, QUERETARO WITH RED SAN JUAN DEL RIO, HUGE MARGINS
2, USED, QUERETARO WITH RED SAN JUAN DEL RIO, OK MARGINS
2, USED, QUERETARO WITH RED SAN JUAN DEL RIO, LARGE MARGINS
2, USED, QUERETARO WITH RED SAN JUAN DEL RIO, 4 + MARGINS
3, USED, QUERETARO WITH SALVATIERRA CANCEL, 4 LARGE MARGINS
1, USED, QUERETARO WITH SALVATIERRA CANCEL, PLATE 1, HUGE MARGINS
2, USED, QUERETARO WITH SALAMANCA CANCEL, NICE MARGINS
2, USED, QUERETARO WITH SALAMANCA CANCEL, VERY NICE MARGINS
2, USED, QUERETARO WITH SALAMANCA CANCEL, WITH NICE MARGINS
3, USED, QUERETARO WITH SAN JUAN DE ITURBIDE CANCEL, LARGE MARGINS
3, USED, QUERETARO WITH DOLORES HIDALGO CANCEL, NICE MARGINS
2, USED, QUERETARO WITH DOLORES HIDALGO AND QUEREATRO CANCEL, HUGE STAMP
2, PAIR, USED, QUERETARO WITH ACAMBARO MANUSCRIPT CANCEL ON PAIR, HUGE MARGINS