British Coins, British and European Jetons Numismatic Books

James VI, Ninth coinage, Thirty Shillings, mm. thistle-head, English arms in first and fourth quarters, 14.57g/3h; Tenth coinage, Thirty Shillings, mm. thistle-head, Scottish arms in first and fourth quarters, 14.54g/8h (SCBI 35, 1363, 1370ff; B 1, fig. 973, 14, fig. 984; S 5503-4) [2]. About fine £150-200

Both coins are Thirty Shillings