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

COLLECTION ON STOCKPAGES: 1918, almost 300 mostly mint stamps (11 - used) with three different types of overprints, including 24 inverted or double overprints of type 1, Dzenis reprints on Romanov Dynasty stamps of 1r, 2r and 3r, four large blocks of 1r (formerly sheet of 50 with 6 label) with provisional perforation 11½ and bearing overprint of type 2 (each stamp guaranteed by U.P.V.), plus many more, full OG, mostly VF, ex-Dr. Seichter, A. Epstein and others, C.v. $1,970, Est. $500-$600