Watch List notes:

COINS, 錢幣, INDIA – PORTUGUESE INDIA, 印度 - 葡屬, Colombo: Silver 2-Tangas, Goa, 1641, Rev countermarked , C above for Colombo (cf Sch 1276; Gomes 17.01). Some bad scrapes on obverse, but a full round coin with clear date, fine/very fine, countermark very fine, dark tone.
Portuguese Indian coins countermarked by the Dutch East India Company (VOC) for use in their colonies in Ceylon

Estimate: US$200-250