18a, MINT, HR, REPRINT
19, MINT, NG, 1ST PERIOD, VERY LARGE MARGINS
19, MINT, NG, TAMPICO, 1ST PERIOD, VERY NICE
19, MINT, NG, VERACRUZ, 1ST PERIOD, 4 GREAT MARGINS
19, MINT, NG, VERACRUZ, 1ST PERIOD, GREAT MARGINS
19, MINT, OG LH, 1ST. PERIOD, WITH MEPSI CERTIFICATE
19, MINT, OG LH, MEXICO, 1ST PERIOD, STRONG MARGINS
19, MINT, OG LH, TAMPICO, OK MARGINS, GREAT DEEP COLOR
19, USED, GUADALAJARA, 1ST PERIOD, SUB TEPIC, GOOD MARGINS
19, USED, MORELIA AND NICE CANCEL, 141-1864 LG, NICE MARGINS, VERY SCARCE
19, USED, PUEBLA WITH ATLIXCO CANCEL, 53-1866, SUB #29, 50 SENT, HUGE MARGINS
20, MINT, NG, MEXICO, 173-1864 LG, GREAT MARGINS
20, MINT, NG, SAN LUIS POTOSI, 10-1865, SUB #11
20, MINT, NG, SAN LUIS POTOSI, 189-1864 SM, SUB #40, 200 SENT, HUGE MARGINS
20, MINT, NG, SAN LUIS POTOSI, 189-1864 SM, SUB #49, SALINAS DEL PENON BLANCO, LARGE MARGINS
20, MINT, NG, USED, ISLA DEL CARMEN, 32-2865, WITHOUT NAME, STRONG MARGINS
20, USED, GUADALAJARA 24-1865, SUB #15 WITH ZAPOTLAN CANCEL, 100 SENT, LARGE MARGINS
20, USED, GUADALAJARA 24-1865, SUB #15, ZAPOTLAN CANCEL, LARGE MARGINS, 100 SENT
20, USED, GUADALAJARA AND ZAPOTLAN CANCEL, 131-1865, SUB3 43 200 SENT, GOOD MARGINS
20, USED, GUADALAJARA, 155-1865, SUB #52 AND ZAPOTLAN CANCEL, 300 SENT, 4 LARGE MARGINS
20, USED, GUADALAJARA, 20-1866, SUB #7 AND COCULA CANCEL, NICE MARGINS, 300 SENT
20, USED, GUADALAJARA, 211-1865, SUB #2 AND ZAPOTLAN CANCEL, 200 SENT
20, USED, GUADALAJARA, 243-1864 SM, SUB #15 WITH ZAPOTLAN ANCEL, LARGE MARGINS, 200 SENT, SMALL HOLE
20, USED, GUADALAJARA, 55-1865, SUB #34, WITH COCULA CANCEL, GREAT MARGINS, 50 SENT, EXTRA LARGE MARGINS
20, USED, GUADALAJARA/ZAPOTLAN, 155-1865, SUB#43, WITH ZAPOTLAN CANCEL, VERY LARGE MARGINS, ABOUT 300 SENT
20, USED, GUANAJUATO WITH LEON CANCEL, 58-1865, SUB #56, CREASE @ BOTTOM
20, USED, GUANAJUATO WITH LEON CANCELS, 130-1865, SUB #73, HUGE, VERY ATTRACTIVE
20, USED, GUANAJUATO WITH SILAO CANCEL, 215-1865, SUB #9, 100 SENT, HUGE MARGINS
20, USED, GUANAJUATO, DOUBLE IMPRESSION CONSIGNMENT DATE, WITH MEPSI CERTIFICATE
20, USED, MORELIA AND BLUE REMAINDER CANCEL, 143-1865, SUB #39, NICE
20, USED, MORELIA AND CANCEL, 143-1865, SUB #39, HUGE MARGINS
20, USED, MORELIA AND CANCEL, 84-1865, 4 GREAT MARGINS, SMALL THIN
20, USED, PUEBLA, 131-1865, SUB #40, TECOLOTLAN CANCEL, 100 SENT, GREAT MARGINS
20, USED, SAN LUIS POTOSI AND CANCEL, 208-1865, SUB #51, NICE MARGINS
20d, USED, GUADALAJARA, 51-1866, SUB# 8, SAYULA CANCEL, HORZ CREASE, OK MARGINS, 100 SENT