Portugal
Silver Twenty Reais Coin of Manuel I of Lisboa of Portugal.
Portugal, Lisboa, Manuel I (1495-1521) Silver 20 Reais, Obv: crowned large M flanked by letter O &L, Rev: crowned coat of arms, 0.43g, 14.00mm, (Unlisted), about very fine, Exceedingly Rare.

Note: This type should be a Vintèm (20 reais) with a weight of ca. 1.9 g. and should show a circular legend. Probably the size was reduced by cutting a part of the flan, after which it became the weight and size of a Cinquinho (Cinco reais and 0.5 g.), however, the Cinquinho has a different reverse.
Estimate: INR 40000 - 60000