Charles I, twelve shillings, third coinage 1637 – 1642, type IV, ? issue with F, bust of new style, only slightly breaking inner circle, CAROLVS D G MAGN BRITAN FRANC ET HIB REX, F after legend, rev. crowned shield of arms dividing CR, QVÆ DEVS CONIVNXIT NEMO SEPARET, wt. 5.77gms (S.5561), extremely rare variety, fine
J.K.R. Murray, 'The Scottish Gold and Silver Coinage of Charles I,' BNJ vol. XXXIX, 1970, dies recorded in this article are as follows: (die variety 7, legends a/a, p. 141) 'No. 7 also has an F at the end of the obverse legend, but has plain instead of beaded inner circles and is extremely rare (three specimens seen),' full details pp. 127 – 128
Estimate: 200 - 300 GBP