Bidspirit auction | Imperial Russia - Postal Forgeries

Imperial Russia - Postal Forgeries to defraud Postal Authorities - 1918-21(c), 10k dark blue, litho printing on paper without varnish lines, postally used imperforated block of 15 (3x5), Yalta ''14.11.22'' postal cancellation, VF and the largest known multiple of this forgery, Est. $1,600-$2,000, Sc. # 124