This is volume 4 of a set of five volumes. This set is the ultimate reference work for collectors of Russian and CIS stamps. Numerous postal issues purporting to be from various Russian republics, autonomous republics, oblasts, and krays (districts), as well as some particular cities, islands, and so forth, appeared between 1992 and 1995. This comprehensive reference work covers political entities from Sakhalin Island to Wrangel Island and includes full-color illustrations sized to show as much detail as possible. Prices shown are values obtained from copies that were sold on online auction sites.