THAI KINGDOMS: Lannathai, AR tamlung (61.64g), 14th to 16th century, Mitch-2743-44, Krisadaolarn & Mihailovs-B24, "chiang" ingot coinage, also known as ka-kim, issued by Chiang Mai principality, stamped with mai (for Chiang Mai), "4" (1 tamlung = 4 baht) and issue mark on each half, Choice VF.
Estimate: 100-150 USD