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
20f, MINT, HINGED, JALAPA, 8-1866, FANTASTIC MARGINS, GREAT STAMP
20f, MINT, JALAPA, 8-1866, SUB #2-1866, HUGE MARGINS
20f, MINT, NG, JALAPA, 8-1866, VERY NICE STAMP
20f, USED, MAZATLAN AND CANCEL, 62-1866, COUPLE OF HEAVY CREASES, TINY THINS, NICE
20f, USED, MEXICO AND CANCEL, 68-1866
20 – Used
21, 23, USED, (24) LEON-IRAPUATO CANCELS, MOSTLY DIFFERENT (11) #21, THE REST (23’S), GREAT SELECTION
21, 23, USED, (28) DIFFERENT, MAINLY LEON, IRAPUATO AGUASCALTES, DAMAGED
21, MINT, NG, GUADALAJARA, 51-1866, SUB#15, – CANCEL, SMALL THIN, SHORT MARGINS
21, MINT, NG, CHIHUAHUA, 169-1865, SMALL THIN, 4 GOOD MARGINS
21, USED, NG, DURANGO, 13-1865, 4 MARGINS, COUPLE SMALL THINS
21, MINT, NG, SAN LUIS POTOSI, 10-1865, SUB #35, NICE MARGINS
21, MINT, NG, SAN LUIS POTOSI, 83-1865, SUB #48, OK MARGINS
21, MINT, OG HR, MAZATLAN, 226-1864SM, GREAT MARGINS