Watch List notes:

TIBET: AR kong-par tangka, year 15-24 (1890), Y-A13.1, cleaned, PCGS graded AU Details. A fourth series of Kong Par Tangkas was struck in 1890 and 1891; this time the coins bear a new date which corresponds to the actual year when they were struck, i.e., 15-24 and 15-25. They were struck at a reduced weight standard.

Estimate: 75-100 USD