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

CLEAN SELECTION OF TYPE 9: 1918, 45 mint or used (25) stamps, including 3.50r and 7r (repaired) on vertically laid paper, 35k and 10r used, imperforated 4k mint and used, 20k mint and used, 5r cancelled on a piece and many more, fresh condition overall, full OG or used, F/VF, some expertized by famous experts, ex-Dr. Seichter or Dr. Zelonka, C.v. $2,525, Est. $800-$1,000