Watch List notes:

COINS, 錢幣, INDIA – PORTUGUESE INDIA, 印度 - 葡屬, Colombo: Silver 2-Tangas, Ceylon, 164x, Rev countermarked , C above for Colombo (cf Sch 1274; Gomes 20.0x). Coin good very fine, countermark extremely fine.
Portuguese Indian coins countermarked by the Dutch East India Company (VOC) for use in their colonies in Ceylon

Estimate: US$400-500