Watch List notes:

British Coins, William and Mary, proof halfpenny, 1694, struck in copper, conjoined busts r., he in armour, rev. Britannia seated l. on globe, with shield, spear and spray of leaves, date in exergue, toothed border to both sides, flan 31.65mm and 1.9mm thick, 11.89gms., (BMC 611; S.3452), nearly extremely fine, struck with some surplus metal at edges, extremely rare (1000-1200 GBP)