British hammered, Scotland, Charles I, silver twelve shillings, Falconer's 2nd issue, mm thistle

British hammered, Scotland, Charles I, silver twelve shillings, Falconer's 2nd issue, mm thistle, c. 1637-42. Three pellets before and after mintmark, the second group of pellets engraved over a thistle; colon stops on obverse. Reverse reads SEPARE, privy mark F and star over shield, pellets below initials C R. 5.71 g.