The brazilian 960 Usually kings is struck over spanish 8 Reales so it can be hard to see the mintmark sometimes , here goes a small tip to differentiate one from the other:
Many thanks. I just stated collecting the 960 Reis overstamped. I have found the enclosed website to be helpful as well: http://blog.960coins.com/2012/07/brief-intro-to-960-reis.html
