1933, Moisei Uritsky, imperforated proof of 5k in slate gray, printed on watermarked paper, a part of red letters ''K'' and ''T'' of ''Project'' at the bottom left, removed from a presentation card, gummed, VF and very scarce (Image)

1935, 2k-40k, perforation 11 or 14, 78 mint stamps (one - used fantail on 40k, perforation 14), including imperforated complete set of three (expertly regummed, no hidden defects), 17 blocks of four with some plate varieties, nice quality unit, full OG, mainly NH, F/VF (Image)

1935, 2k, 4k and 40k, perforation 11, complete set in unfolded blocks of four, nicely centered, full OG, NH or VLH (top stamps), VF (Image)

1935, 2k, 4k and 40k, imperforated complete set of three, four-side margin singles, 4k has top margin, full OG, LH, VF (Image)

1935, Nikolai Bauman, 4k brownish lilac, top sheet margin imperforated block of four, full OG, NH, VF, tiny dealers hs on reverse of each value (Image)