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; pellet stops on obverse. Reverse reads SEPARET, with the ET in small letters, privy mark F and pellet over shield, diamonds below initials C R. 5.66 g.