Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 2
Lot 893:
1933, Baku Commissars, trial color perforated proof of 5k in brownish gray, printed on paper with watermark Borders and Rosettes, perforation L13¾, gummed, VF, Est. $750-$1,000, Scott #520
Share this lot:
