Silver 1.5 Tamlung Lat (short for talat, or currency), often called tiger tongue money, with 3 na (snake) marks. Circa 1591-1707. Laos Vientiane.
This is a hand poured silver ingot with its original patina.
Collected by Bernard Heaphy during the 1980's.
Measurements: length 11.8 x width 2.3 cm