The Thailand two-and-a-half-satang coin ( 2.5 st. or 2.5 สต.) was a unit of currency equivalent to 1⁄40 of a baht of a Thai baht. It was introduced in 1897 during the early decimalization of Siamese currency and was minted for a limited period before the denomination was discontinued.LeMay J. Coinage of Siam. JSS 018_3b. The Siam Society; 2020. Accessed December 10, 2025. https://thesiamsociety.org/wp-content/uploads/2020/02/JSS_018_3b_LeMay_CoinageOfSiam.pdf

See also

Thai baht Siao coin Sik coin Fuang coin

References