1937, 70 mostly mint (two - used) stamps and three souvenir sheets, representing stamps on white and creamy paper, complete set of unfolded blocks of four (NH, but one stamp of 40k with tiny blue stain on the face), marginal 20k with watermark ''1'' and more, mainly full OG, NH or LH, F/VF (Image)

1937, 1r black, brown and buff, left sheet margin (44mm) vertical imperforated pair, nice margins at three other sides, absolutely flawless quality item, no gum as produced, NH, VF and extremely rare (Image)

1937, 1r black and red brown, imperforated single from a souvenir sheet, used on registered cover from Moscow to Philadelphia together with 30k of Ethnographic set, tied by Moscow ''11.1.38'' ds, NYC transit of January 21 and Philadelphia the same day arrival marking, mostly VF (Image)