A valuable collection comprising EGORIEVSK: 1868-97 (38) including 1872 3k. black (S.4, 100.-), 1873 3k. black (S.5, R; 25 known) KASSIMOV: (7) with 1870 3k. (S.1), RYAZAN: 1868-79 (106) including 1868-72 first printing 2k. pale blue, horizontal crease (S.3,R; 24 known), second printing 2k. dark grey-blue (2) (S.5, 100.- each), 2k. gold, faults S.7, 150.-), 1873 thin paper 2k. slate grey (15, including a block (4x2) showing the eight types), 2k. bronze (4), thick paper 2k. slate-grey (6) and 2k. bronze (10 with a block of eight), 1875 2k. glue-grey (5) 2k. bronze 1876 2k. violet (9, with a block of six) and 2k. silver (10, with a block of six), 1877 2k. greenish grey (3) and 2k. olive-yellow (3), 1877 new colours 2k. green (6) and 2k. red (3), 1878 2k. yellow-green (2), (S.22, R; 24 recorded) and SKOPIN: 1871-1917 (64). Photo for a selection