Russian Post Offices in the Turkish Empire: A collection in three albums, incl. 1863-66 6k. thin paper mint, 6k. on chalky paper mint, 1865 (10pa.) unused, 1865-67 (2pi.) unused and used, 1872-90 horizontally laid paper set mint, 1909 (May) sets mint (4), 1909-10 overprinted sets complete mint, 1913 Romanov sets mint (2), etc. (100s)