1932, First Flight postcard and cover from Franz Joseph Land to Arkhangelsk, franked by 50k carmine rose and 1r green (perforation 10 1/2) respectively, all appropriate markings; in addition complete set of three, including both perforation of 1r stamps (full OG, NH or LH), 50k expertly regummed, all are VF (Image)

1932, 50k carmine rose and 1r green, complete set of three, including both perforation on 1r stamps, unfolded blocks of four, perfect quality without usual wrinkles, full OG, NH, VF (Image)

1932, 50k carmine rose, perforation L10 1/2, minimal usual gum waves and violet stroke on third tip of perforation at the bottom, nice centering with intact perforation and bright full original gum, very light trace of hinge mark, VF and the most rare and valuable perforation variety of the Soviet Union (Image)