[Pramāṇa](https://indike.org/pramana/) › [Physical](https://indike.org/pramana/inp) › [Coins and seals](https://indike.org/pramana/inp.coin) › [Coins in museums](https://indike.org/pramana/inp.coin.specimen) › [The British Museum, London](https://indike.org/pramana/inp.coin.specimen.bm) › Tangka, 1/3 of Pratapa Simha Saha # Tangka, 1/3 of Pratapa Simha Saha Silver coin. Struck in Nepal out of debased silver, especially for Tibet. Cut in Tibet for small change. - **Kind:** coin - **Date:** 1775 CE --- Source: [https://indike.org/pramana/inp.coin.specimen.bm.ch-239](https://indike.org/pramana/inp.coin.specimen.bm.ch-239) · Pramāṇa