Watch List notes:

COINS, 錢幣, INDIA – PORTUGUESE INDIA, 印度 - 葡屬, Galle: Silver 2-Tangas, Goa, (16)52, Rev countermarked GAL monogram for Galle (cf Sch 1265; Gomes 17.07). Coin good fine, countermark extremely fine.
Portuguese Indian coins countermarked by the Dutch East India Company (VOC) for use in their colonies in Ceylon

Estimate: US$250-300