Here are some amendments needed to Thailand please ...
https://en.numista.com/catalogue/pieces7974.html
All others are Y# numbers – this is KM#442
https://en.numista.com/catalogue/pieces1019.html
Diameter 23mm should be 21.7 mm ?
https://en.numista.com/catalogue/pieces9274.html
Diameter 20mm should be 21.0 mm ?
https://en.numista.com/catalogue/pieces2492.html
Diameter 18mm should be 25.5 mm ?
https://en.numista.com/catalogue/pieces6582.html
Diameter 22mm should be 23.1 mm ?
https://en.numista.com/catalogue/pieces10006.html
Diameter 16.47mm should be 17.6 mm ?
https://en.numista.com/catalogue/pieces15250.html
Metal says silver – picture shows gold ?
https://en.numista.com/catalogue/pieces12264.html
Cupro-nickel-silver-zinc should be Cupro-nickel ?
https://en.numista.com/catalogue/pieces10530.html
Exchange Obverse and Reverse images ?
Then move date พ.ศ.๒๕๑๘ from Reverse to Obverse
https://en.numista.com/catalogue/pieces12262.html
Add [to Reverse Description] พ.ศ.๒๕๑๖
Thanks and apologies :)