Kindly update the purity of the silver 1 rupia 1947 Indo Portuguese coin.
https://en.numista.com/catalogue/pieces27063.html
It seems to be 0.5 fine silver as per NGC. Experts can cross-refer.
http://www.ngccoin.com/price-guide/world/india-portuguese-rupia-km-27-1947-cuid-51620-duid-138718
EDIT: Dang I seemed to have posted this in the wrong place. Sorry about that.
Post moved here by bam777