Air Post Stamps. 1930-39, Airplane and Map of Venezuela, 5c-20b, 5c-1b, five complete sets, the total is 98 stamps, representing three complete sets on white paper and two sets on blue Winchester Security paper, including two sets for official usage with perfin ''GN'', all with full OG (two stamps with slight gum waves and one has slight gum toning), NH, mainly VF and scarce group, C.v. $435 as hinged (Image)