BIELOZERSK: 1868-1914, the comprehensive and valuable collection (about 300) including 1874 3k. black on rose quadrillé, 1876 2k. black on dark green (2), 1878 (Feb.) 2k. black and rose-lilac (S. 11; R : 24 known) ex Ferrary, 1878 2k. black (3), 2k. black on yellow (3x4) and 2k. black on white laid black (3x4), 1878 (end) 2k. black on grey-blue and 2k. black on brown each in a block (5x2) showing the complete setting, 1880 (July) - 1881 1st printing 2k. grey (15, including a partial reconstruction, one pen-cancelled, another perf. 11½) and 2nd printing 2k. grey (5, two pen-cancelled), 1882 (Apr.) 2k. dark grey (38, with a block (7x4) from which one has been cut) later issue are well represented and include 1914 10k. on 3k. (2) a few imperf. and five covers