Siam / Thailand porcelain gaming token #2

World Coins - Siam / Thailand porcelain gaming token #2
zoom view
21mm
If you collect these at all there is an old reference work by Ramsden, and if my was correct it is:
Siamese Porcelain and Other Tokens , by H. A. Ramsden, F.R.N.S (1911), 57 pages
You can sometimes locate the 1970s reprint.
These were in use in the 19 century and beyond at times.
World Coins - Siam / Thailand porcelain gaming token #2