Watch List notes:

PATALUNG: tin 400 bia (½ fuang), ND (late 19th century), Pridmore-222, Ju Jin Gong Si written in barbarous Chinese / Patalung in Thai script and unclear Chinese inscription, but likely Wang Lang, countermarked in Chinese He Long within rectangle, Fine. The word "bia " means conch shell, and one bia was valued at 800 per Thai fuang, which in turn was valued at eight fuang per baht. At the time 5 baht was exchanged for 3 Mexican dollars, thus 80 of these coins equalled one Mexican dollar.

Estimate: 230- 280 USD