Early Tamil Epigraphy: From the Earliest Times to the Sixth Century A.D. c25.s7.5

c25.s7.5

(2) The direction of evolution of Tamil-Brāhmī is markedly different from those of the Northern and Southern Brāhmī scripts. This has resulted in different shapes for the common letters of the same period. This is strikingly illustrated by the bilingual coin-legends on the silver portrait coins of the Sātavāhanas, with the letters on the obverse in the Southern Brāhmī script looking different from those on the reverse in the Tamil-Brāhmī script.⁵