Russian Empire Qing Empire China Japan Korea 1850 Cowperthwait mapRussia in Asia and Tartary. (Asia, Russian Empire, Tartary, China, Qing Empire, Japan, Korea). Issued c. 1850, Philadelphia by Cowperthwait. Fine mid 19th century engraved map with original hand color. Cowperthwait maps of this mid century era were issued with a range of color as well as variant decorative borders. Nice looking example, pleasing age patina, any small age spots or minor age flaws easy to overlook or forgive. Sheet Measures c. 12 1 2"H