TIBET: Qian Long, 1736-1795, AR 1/2 tangka (3/4 sho), year 58 ((1793), Cr-66.1, LM-638A, 24 beads in margin, both sides, very rare denomination, NGC graded AU53. The sold specimen in the Rhodes collection, sold by Spink in August 2013, Lot 16, fetched HK$35,000 (=US$4500).
Estimate: 3,000- 3,400 USD