Bidspirit auction | Imperial Russia - Postal Forgeries

Imperial Russia - Postal Forgeries - 1918-21(c), imperforate 10k dark blue, litho printing on paper without varnish lines, size 15.2x21 instead of 15.5x21.7mm for issued stamp, horizontal pair with full ''original gum'', VF and rare, a common imperf stamp is included for comparison, Est. $500-$600, Scott #124