Worldwide Air Post Stamps and Postal History, One Man Collection of Tannu Tuva, Philatelic Rarities of the World, Part 2
Lot 1047:
Description
1901-03, Wenden Castle, 2k dark green and brown, bottom left corner sheet margin imperforate block of six (2×3), left stamp in the middle row is placed upside down and forming either vertical or horizontal tete-beche pair, no gum as produced, VF and rare, Est. $1,500-$1,800, Scott #L12b var
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