Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 2
Lot 1272:
1918, violet overprint (type 2gg) on Postal Saving stamp of 1k red on buff network, full OG, LH, VF and rare, A. Faberge note on reverse, this stamp is not listed in the Catalogue and with high probability is a proof of overprint, Est. $200-$250
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