1937, Felix Dzerzhinsky, 10k-80k, imperforated complete set of four values, enlarged margin singles, full original dry gum as often, 80k with slight wrinkle, NH, VF and very rare set in premium quality, Raritan Stamps guarantee, Est. $8,000-$10,000

1937, Felix Dzerzhinsky, 10k yellow brown, printed on ordinary instead of chalk-surfaced paper, full OG, light trace of hinge mark, VF and scarce, Raritan Stamps guarantee, Est. $1,000-$1,200

600.00