Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 2

Friday, February 3, 2023 at 4:00 PM UTC

Russian Semi-Postal Issues

Start price: $750

Buyer's premium:

1922, Philately for the Children, black overprints on perforated 1k-10k and imperforated 1k, complete set of six, appropriately cancelled on pieces by ”Day of Philately. 19-VIII-1922” (apparently from the same envelope), the first printing, 1k values from positions 20 and 9 of 25-stamp setting, large piece with fold between stamps, VF and extremely rare, no more then a dozen properly used sets exist, Est. $1,200-$1,500, Scott #B24-29