USSR stamp, devoted to the airship-building in the USSR, the nominal value of 15 kopecks, gray-blue, lithography printing on thick white paper with a watermark "carpet", with gum on cardboard 75-110 mm., overprint: "ПРОЕКТ 2 апреля 1931 года" - "DRAFT April 2, 1931". Line perforation 10 1/2. Stamp has typographical strips in the corners.
Were made no more than 10 copies.
Certificate of Mikulski.
Интернет-магазин Odessa-Stamps / Филателист в Одессе © 2010
