Lot 595

Air Post Stamps and Covers - Issues of 1955-61

1955, North Pole - Moscow Flight, red overprint on 2r black and yellow green, perforation L12 1/2 instead of comb 12x12 1/2, unfolded block of four, bottom left stamp has no dash variety, full OG, NH, VF and rare multiple, Est. $2,750-$3,250, Scott #C96 var