Minister of Finance announced those notes were illegal and solve the problem by overprinted 50 Satang on the original value with black ink. Thank you for your interested and good luck.
Thai Paper Money Special Series, 50 Satang Banknotes (King Rama 8)" is in sale since Friday, March 29, 2019. This item is in the category "Coins & Paper Money\Paper Money\ World\Asia\Thailand". The seller is "fern-concept" and is located in default, BA. This item can be shipped worldwide.