Postal Forgeries. 1900(c), 7k blue, perforation L13¼x14¼, printed on paper without watermark, block of four, genuine cancellation "Otdelenie Pochtovogo Vagona 10.VII.1900", perforation reinforced by hinges, slight top left corner bend, VF and with high probability the only correctly used block of four of this postal counterfeit, Est. $3,000-$4,000 (Image)

Postal Forgeries. 1909-12(c), 7k deep blue, perforation L14¾ instead of harrow 14¼x14¾, printed on thin translucent gummed paper with imitation of vertical varnish lines, NH, VF and rare, Raritan Stamps guarantee, Est. $300-$400 (Image)

Postal Forgeries. 1918-21(c), imperforate 10k dark blue, litho printing on paper without varnish lines, size 15.2x21 instead of 15.5x21.7mm for issued stamp, horizontal pair with full ''original gum'', VF and rare, a common imperf stamp is included for comparison, Est. $500-$600 (Image)

Postal Forgeries. 1918-21(c), imperforate 10k dark blue, litho printing on paper without varnish lines, block of 15 (3x5) used in Yalta with ''14.11.22'' postal cancellation, VF and probably the largest known multiple of this counterfeit, Raritan Stamps guarantee, Est. $1,500-$2,000 (Image)