Watch List notes:

THAI KINGDOMS: Patalung, tin 400 bia (½ fuang) (7.12g), ND (late 19th century), Prid-222, ju jin gong si written in very barbarous Chinese // patalung in Thai script and unclear Chinese inscription, but likely wang lang, chipped planchet, Fine, ex Shèngbidébao Collection. 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 equaled one Mexican dollar.

Estimate: 75-100 USD