Lot   Cat.#
111 **   297A
1932, International Polar Year, 50k carmine, perforation L10 1/2, left sheet margin single, the presented stamp with high probability the best preserved example, minimal gum creases, bright and fresh full original gum, apparently NH, VF and one of the most rare perforation varieties of the Soviet Union, a great rarity of the Worldwide Air Mail, Scott #C34a, Raritan Stamps guarantee