ODESSA: 1918/20, Local Trident Overprints, specialized group of over 320 stamps, mint and used including some panes, expertly identified by the Bulat catalogue on individual stockcards and classified by 6 types: Odessa I (14), Odessa II (14), Odessa III (10), Odessa IV (20), Odessa V (100), Odessa VI (4), with some better items such as Bulat 1204, 1206; mostly very fine
