1940, Centenary of the Penny Black, 5c-5p, postage and air post, complete set of ten, slight gum disturbance on No.C104, full OG, NH, VF, C.v. $340

75.00

1991, Endangered Species, 1000r multicolored, reconstructed (top and bottom parts joined together) composite proof sheetlet of six, printed on thick glazed paper, control angles at corners, each stamp with black overprint "Prueba" (Proof) on reverse, no gum as produced, NH, VF and very rare, reportedly only 45 sets were sold, no complete sheet exists on the market, the only uncut sheet retained in the Mexican Postal Museum, Est. $600-$800

300.00

1991, Endangered Species, 1000r multicolored, complete set of six imperforate proofs with control angles at corners, printed on thick glazed paper, cut from composite proof sheetlet of six, each one with black overprint "Prueba" (Proof) on reverse, no gum as produced, NH, VF and very rare, reportedly only 45 sets were sold, Est. $400-$500
View the backside.

200.00