Watch List notes:

Halfcrown Charles I Tower Mint under Parliament Group III, Third Horseman type 3a3, mintmark ( R ) over eye/ ( R ) S.2778, North 2213, unlisted by Brooker, Ex-Lockdales 2013 Lot 102, Ex-Colin Adams Collection Spink 1/12/2005 Lot 128 (part), Fine on an irregularly shaped flan

Estimate: 100-150 GBP