1924, 4k-40k, complete set of four, litho printing, usual centering for 4k and 10k stamps, full OG, LH or hinged, F/VF, C.v. $325 (Image)

1924, soldier 40k slate gray, litho printing, left sheet margin imperforated single, design printed on both sides (on gum side - inverted), invalidating perforation, minor usual gum creases, full OG, NH, VF appearance (Image)

1924, Lenin Mourning issue, imperforated complete set in sheet or corner margin blocks of six (3x2), wide frame, full OG, NH, VF (Image)

1924, Lenin Mourning issue, imperforated complete set of four in pairs (wide frame) and perforated set of singles, full OG, NH, VF (Image)

1924, Lenin Mourning issue, 3k-20k, imperforated complete set of four, narrow frame, stamp of 3k with tiny marginal natural paper inclusion, full OG, NH, VF (Image)

1924, Lenin Mourning issue, 6k and 12k, wide frame, vertical or horizontal right sheet margin pairs respectively, both with control inscription, full OG, NH, VF (Image)

1924-25, worker 4k carmine, typo printing, horizontal imperforated pair with double impression, full OG, NH, VF (Image)

1924-25, worker 1k orange, typo printing, imperforated left sheet margin horizontal strip of five, perfin ''Obrazets'', full OG, NH, VF and rare item from the Postal Archives, Raritan Stamps, Inc. guarantee (2005) (Image)

1924, trial color proof of peasant 6k in black, typo printing on paper without watermark, perforation 14½x15, block of four, top right stamp has tiny natural paper inclusion, full OG, NH, VF (Image)

1925, worker 8k brown olive, typo printing, perforation 12, full OG, very light trace of hinge, mostly VF (Image)

1924-25, peasant 15k lemon yellow, perforation 14½x15, typo printing, Moscow postal cancellation, fresh quality, VF, C.v. $165 (Image)

1924-25, soldier 1r red and brown, typo printing, perforation 14½x15, omitted a dot after third ''C'' in ''CCCP'' and malformed ''z'' in ''zolotom'' varieties, full OG, NH, VF (Image)

1924-25, worker 2r green and rose, typo printing on grayish paper, imperforated single with invalidating perforation across the design, full OG, NH, VF (Image)

1924-25, worker 2r green and rose, typo printing on grayish paper, imperforated left sheet margin horizontal transition strip of three with missing large part of the design, full OG, NH, VF and a spectacular multiple (Image)

1924-25, soldier 3r dark brown and pale green, typo printing, type I, perforation 13½x10, nice quality, full OG, LH, VF (Image)

1924-25, soldier 3r dark brown and yellow green, typo printing, horizontal bottom sheet margin imperforated pair with double impression, invalidating perforation, full OG, NH, VF (Image)

1925, Lenin Mausoleum, 7k-20k, ten mint perforated or imperforated stamps representing different printing varieties, in addition postally used 40k with partial offset on reverse, fresh, full/large part of OG, VF (Image)

1925, Lenin Mausoleum, imperforated plate proof of 7k in red brown, printed on thick security paper with text on reverse, no gum as produced, NH, VF (Image)

1925, Lenin Mausoleum, 20k carmine, imperforated single with malformed ''0'' on the right value tablet variety, full OG, previously hinged, VF (Image)

1925, Lenin Mausoleum, 7k-40k, imperforated complete set of four used on local registered cover in Moscow, 1st All-Union Philatelic Exhibition ''25.1.25'' special cancellation, postmarked on arrival, some folds, still F/VF and scarce (Image)

1925, Vladimir Lenin, 5r and 10r, imperforated complete set of two, in addition 10r with perforation 10½, full OG, NH, VF (Image)

1925, soldier 3r dark brown and green, type I, printed on watermarked ''border and rosettes'' paper, imperforated vertical pair, completely flawless with nice margins all around, full OG, NH, VF and one of the rarest definitive stamp from the Soviet Union. A common imperforated stamp of 3r was printed by plate of type II, while plate of type I had been used only for perforated stamps. One of three known pairs, N. Mandrovski certificate (Image)

1926, soldier 3r and worker 5r, two bottom sheet margin imperforated blocks of four printed on watermarked paper, in addition blocks of 2r and 5r printed on white improved paper (Mi #259/61 IE), full OG, NH, VF (Image)

1926, 7k-5r, imperforated complete set of eight, all with sheet margins, printed on white improved paper, full OG, NH, VF (Image)

1926, peasant 30k violet, imperforated block of four on white improved paper, bottom left stamp with a loop over ''o'' in ''zolotom'' variety, full OG, previously hinged, VF (Image)