Watch List notes:

Sixpence Charles I Group F, Sixth 'Briot' Bust, type 4.3, mintmark (P)/(P) over Triangle in Circle, 2.65 grammes, Brooker 652, VG/Fine an unusual overstruck mintmark from around the Civil War period, spanning the 'Struck under the King' and 'Under Parliament' types

Estimate: 60-90 GBP