Watch List notes:

COINS, 錢幣, INDIA – PORTUGUESE, 印度 - 葡屬, Jaffna: Silver 2-Tangas, Goa, 1640, Obv arms and (G)A, Rev standing St Philip, countermarked VOC twice on reverse, I above for Jaffna and R (cf Sch 1287 RRRR; Gomes 17.01). Flan split, coin very fine, countermark extremely fine, very rare.
The obverse has a deep depression immediately behind the R countermark, suggesting the use of a pincer type tool for applying this mark, which might also account for the splitting of the flan

Estimate: US$1,200-1,500