Auction #93 Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World

EXHIBITION STYLE COLLECTION OF ERRORS: 1959-85, 67 single stamps and 23 multiples, such as pairs (2), strip of four (1), blocks of four (16), block of six (1) and blocks of nine (3), including strip of 3c with top stamp without denomination; altogether 54 stamps and 17 multiples are showing various color or perforation shifts, neatly arranged and inscribed on 20 pages, representing values with shiny and dull gum, perfect quality material, all with full OG, apparently all NH, except maybe a few common stamps, VF and rarely offered material, Est. $800-$1,200