1857 10k brown & blue, used with neatly-struck dotted "12" cancellation, four large margins, just clear at upper left, sound and fine. (Sc. 1, $775) (Image)

Est. $200-300

1864 5k black & lilac, perf 12.5, hinge remnants, part o.g., pleasing color and extremely well-centered for this issue, negligible nibbed perf at left, attractive and very fine. (Sc. 7, $1,000) (Image)

Est. $300-400

1923 4+4r on 5000r dark violet Surcharged in Silver, bottom sheet margin single, hinge remnant, superior centering amidst large margins, violet expert marking on back, extremely fine. (Sc. B42, $1,100) (Image)

Est. $300-400

1933 15k & 35k, with and without surcharge, hinged, a couple h.r., first issued for the Moscow Philatelic Exhibition and surcharged the following year for the Leningrad Philatelic Exhibition, well-centered, very fine. (Sc. 485-88, $420) (Image)

Est. $100-150