Lot   Cat.#
Net Price
534  348
1926, Esperanto Congress, 14k bluish green and violet, red typo overprint "Obrazets" at the bottom, perfect quality single, full OG, LH, VF and the only known example until now. According to Ustinovsky's notes this specimen overprint was produced by private order of Genrikh Yagoda, Chief of Soviet Security and Intelligence Agency (NKVD), who was a prominent philatelist

Stamp Auction #78, May 31, 2018. Raritan Stamp, Inc