Sc.C25b, 1930 Zeppelin 3b. on 20c. with VARIETY: "comma after the 3", VF! (Image)

Yvert 119, 1951 40c. Camacho avenue (La Paz), PROOF mounted on card, presented by the printer to the postal authorities for approval before printing, rare, very fine quality! (Image)

Yvert 122, 1951 2 Bs. Palace of Communications, PROOF mounted on card, presented by the printer to the postal authorities for approval before printing, rare, very fine quality! (Image)

Yvert 123, 1951 2 Bs. Coats of arms, PROOF mounted on card, presented by the printer to the postal authorities for approval before printing, rare, very fine quality! (Image)

Yvert 126, 1951 10 Bs. Coat of arms of Castile & Captain Mendoza (founder of La Paz), PROOF mounted on card, presented by the printer to the postal authorities for approval before printing, rare, very fine quality! (Image)

Yvert 153/154, 1954 Natives Congress, set of 2 IMPERFORATE PAIRS, very fine quality! (Image)

Yvert 185, 1957 20b. Airports, beautiful IMPERFORATE BLOCK OF 4, excellent! (Image)

Yvert 4 (Sc.4), 1867/8 10c. brown, dry impression, beautiful pair (position 56), very fine quality! (Image)

Yvert 4 (Sc.4), 1867/8 10c. brown, dry impression, beautiful pair (position 52), very fine quality! (Image)

Yvert 4 (Sc.4), 1867/8 10c. brown, dry impression, handsome pair (positions 5 and 6 on the plate), very nice! (Image)

Yvert 5 (Sc.5), 1867/8 50c. yellow, beautiful pair formed by positions 27 and 28, excellent quality! (Image)

Yvert 5 (Sc.5), 1867/8 50c. yellow, position 26, excellent quality! (Image)

Yvert 6 (Sc.6), 1867/8 50c. blue, position 26, pen cancelled, excellent quality! (Image)

Yvert 6 (Sc.6), 1867/8 50c. blue, position 25, pen cancelled, excellent quality! (Image)

Yvert 6 (Sc.6), 1867/8 50c. blue, position 22, pen cancelled, excellent quality! (Image)

Yvert 8 (Sc.8), 1867/8 100c. green, position 11, mint without gum, VF quality! (Image)

Yvert 8 (Sc.8), 1867/8 100c. green, position 8, small thin on back, excellent front! (Image)

Yvert 39/45, 1894 Coat of arms, complete set of 7 values, mint with original gum, thin paper (London printing), VF quality! (Image)

Yvert 39/45, 1894 Coat of arms, complete set of 7 values, mint with original gum, thin paper (London printing) + another one on thick paper (Paris printing), VF quality! (Image)

Yvert 40 + 41 + 43, 1894 Coat of arms 2c., 5c. and 20c., 3 IMPERFORATE PAIRS, very fine quality! (Image)

Yvert 41, 1894 Coat of arms 5c. green, imperforate pair (proof) with complete DOUBLE IMPRESSION, notable, very fine quality! (Image)

Yvert 43 (Sc.44), 1894 Coat of arms 20c., 4 blocks of 4, MNH (+50%), excellent quality! (Image)

Yvert 39 + other values, 1894 Coats of arms, interesting lot of stamps (Paris and London printings), including varieties, used, etc., in general of very fine quality, very low start! (Image)

Yvert 66, 1899/901 Sucre 1B., MNH block of 4, the lower stamps with variety: paper fold, excellent! (Image)

Yvert 89, 1910 Arze 20c., beautiful IMPERFORATE PAIR, VF quality! (Image)