1927, 5k brown, top right corner sheet margin imperforated single, original gum with some spots of loss mainly on margin, VF and scarce positional item, C. v. $1,650, Est. $500-$600 (Image)

1927, 5k brown, horizontal imperforated pair, nice margins all around, full OG, previously hinged, VF and very scarce in pair, C.v. $3,300++, Est. $1,500-$1,800 (Image)

1927, imperforated proof of 7k in myrtle green (issued color), printed on watermarked Borders and Rosettes paper, full OG, NH, VF, expertized by Dr. Jemtschoujin, C.v. $1,000 as hinged, Est. $600-$750 (Image)

1928, soldier 8k brown, horizontal imperforated pair, beautiful margins around and post office fresh, full OG, NH, VF, each stamp with Z. Mikulski hs, C.v. $3,300, Est. $1,500-$1,800 (Image)

1925, 1k-5r, complete set of 22 with perforation 12, extra 8k, 1r and 2r with perforation 14 1/2x15 (no guarantee for 8k and 1r), printed on watermarked Borders and Rosettes paper, many with sheet margins, nice and clean set with full OG, NH, mainly VF, Est. $200-$250 (Image)

1925-26, worker - four values of 1k, 5k, 8k and 20k, re-issue from plates where shading of the worker's shoulder doesn't touch the left frame, full OG, NH or LH (1k), VF and scarce group, Est. $200-$250 (Image)

1928, 3k, 6k, 9k, 30k, 1r and 2r, complete set of six with horizontal position of watermark Borders and Rosettes, most with sheet margins, full OG, NH, VF and scarce in complete set, Est. $800-$1,000 (Image)

1926, worker 8k brown olive, litho printing, ''small head'' variety, nicely centered with intact perforation, full OG, previously hinged, VF and very scarce, Raritan Stamps guarantee, Est. $2,000-$2,500 (Image)

1926, worker 8k olive brown, litho printing with harrow perforation 12x12 1/4, ''small head'' variety without invalidating perforation, full OG, NH, fine centering of this very rare item, a common 8k litho stamp is included for comparison, Est. $1,500-$2,000 (Image)

1926, worker 8k brown olive, litho printing, ''small head'' variety with double impression, premium centering, full OG, barest trace of hinging, VF and scarce, Raritan Stamps guarantee, Est. $1,500-$1,800 (Image)

1926, worker 8k brown olive, perforated and imperforated singles with ''small head'' variety, each one with invalidating perforation across the design, full OG, NH, VF, both with Soviet Philatelic guarantee hs, Est. $200-$300 (Image)

1926, worker 8k brown olive, litho printing, balanced margins imperforated single, full OG, NH, F/VF and rare, Soviet Philatelic hs and Raritan Stamps guarantee, Est. $2,500-$3,000 (Image)

1925, imperforated proof of soldier 18k in violet (issued color), right sheet margin horizontal pair with vertical varnish lines, printed on watermarked Borders and Rosettes paper, full OG, NH, VF and rare, N. Mandrovski certificate, Est. $4,000-$5,000 (Image)

1925, soldier 3r brown and green, two stamps on watermarked paper with perforation 12 1/2, types I and II, nicely centered, full OG, LH, VF, C.v. $950, Est. $400-$500 (Image)

1924, 4k-40k, litho printing, complete set of four, the ''key'' stamps (4k and 10k) have usual centering, full OG, NH, VF and guaranteed genuine, C.v. $650, Est. $250-$300 (Image)

1924, peasant 30k violet, litho printing, top right corner sheet margin horizontal imperforated pair, invalidating perforation across the design, full OG, NH, VF, Est. $450- $550 (Image)

1924, peasant 30k violet, litho printing, right margin imperforated single, invalidating perforation across the design, full OG, LH, VF, Est. $140-$180 (Image)

1923, peasant 50k brown, typo printing on paper without watermark, imperforated single with clear double impression (one is albino) of the design, nice margins all around, full OG, LH, VF and extremely rare, until now we did not see sound stamp with such variety, while stamps with ''normal'' double impression very well known, several expert's hs on reverse, N. Mandrovski certificate (double impression is not mentioned), Est. $1,500-$2,000 (Image)

1924-25, 1k-5r, typo printing, perforation 14 1/2x15, complete set of 20 with extra shades of 2k, 3k, 6k, 7k and 8k, stamp of 5r with perforation 10 1/2, 15k - postally used, stamps of 30k and 40k are dubious, full OG, mainly NH, including 1k, 14k and 50k, VF looking unit, Est. $500-$600 (Image)

1924-25, 2k green, typo printing on paper without watermark, right sheet margin horizontal imperforated pair, top left margin trimmed, nevertheless nice and fresh, full OG, NH, VF, N. Mandrovski certificate, Est. $450-$600 (Image)

1924-25, worker 5k, typo printing on paper without watermark, perforation 14 1/2x15, two stamps in deep violet or lilac, full OG, NH, VF, C.v. $650, Est. $250-$300 (Image)

1924-25, worker 8k olive brown, typo printing on paper without watermark, perforation 14 1/2x15, bottom sheet margin block of ten (5x2) with control text at bottom, horizontal invalidating perforation across the design, full OG, NH, VF, Est. $150-$200 (Image)

1924-25, peasant 15k lemon yellow, typo printing on paper without watermark, intact perforation 14 1/2x15, strong embossing and perfect centering, full OG, NH, VF and absolutely fabulous example of this rarity, this stamp is definitely the best we ever offered, ex-M. Weisman, Raritan Stamps guarantee (2002), Est. $15,000 -$20,000 (Image)

1924-25, worker 20k light green, typo printing on paper without watermark, left sheet margin single, a beautiful stamp, full OG, NH, VF and rare, especially in sound condition, Raritan Stamps guarantee, we sold this stamp in Auction #63, lot #693 for $7,500 plus appropriate commission, Est. $6,000-$8,000 (Image)

1924-25, 1r light red and brown, typo printing on paper without watermark, imperforated single with enlarged margins at bottom and left, nice and fresh condition, full OG, previously hinged, VF and rare, especially in light shade of red, N. Mandrovski certificate, Est. $6,000-$7,000 (Image)