1991, Endangered Species, 1000r multicolored, complete set of six imperforated 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, the only uncut sheet retained in the Mexican Postal Museum

300.00

1929, "Corona Gasolina Roja", 10c unexploded booklet, contains two panes of four and horizontal pair of Child Welfare 1c violet, separated by interleaves, fresh quality, VF

75.00

1950-52, Guerrero, air post stationery envelope 35c dark violet, double impression of the indicia (one is misplaced), unused, VF and scarce

100.00