1891 Mexico Lg Numeral Covers

5665- 1893, OPOCER, SONORA TO LONDON, VIA NEW YORK, VERY SCARCE

5721- NO DATE, .40¢ POSTAGE (6) STAMPS, ETLA SEALS (2) 2 BLACK OFFICIAL SEALS. CREASES, FRONT

5652- 1898, MEXICO TO NEW ZEALAND, WITH (2) REGISTRATION LABELS, WAX SEALS AND BACK STAMPS

5677- 1887, MAZATLAN, SINALOA TO SAN IGNACIO

5674- 1893, WELLS FARGO LAS TABLAS, VIA EL PASO, TO NEW YORK