Auction #95 Worldwide Air Post Stamps and Philatelic Rarities of the World

1921, 100r orange, printed on thin paper, error block of 50 (25+25) with approximately a half of stamps completely or partially missing and at least 10 stamps have clear double impression, pre-printing paper folds, full OG, NH, VF, a spectacular and rare item, Est. $1,600-$2,000