Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 3
Lot 1033:
1898, 7k blue, unused letter-sheet of series 6, printed in St. Petersburg, containing 31 various advertisements inside and on reverse, folded once, VF and rare in premium condition, ex-Vadim Ustinovsky, Est. $400-$500
Share this lot:
