Worldwide Air Post Stamps and Postal History, One Man Collection of Tannu Tuva, Philatelic Rarities of the World, Part 2
Lot 1143:
Description
1918, black overprint (type 33) on perforated 20k-3.50r and imperforate 1r, all have postal cancellations, F/VF, valuable stamps with experts’ hs, 20k is not priced used and 25k is priced with -‘- in the catalog, others have C.v. $77, Est. $300-$350, Bulat #1882/94
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