Watch List notes:

BRITISH COINS, William & Mary, Maundy Set, 1689, conjoined heads right, rev crowned value within wreath, date either side of crown, Penny with legend error in King's name reads GVIELMVS (ESC 2384 R3; S 3446). Generally good very fine and toned, quite streaky on the Threepence and Half-Groat, rare. (4)
ex Spink Numismatic Circular, August 2005, item MS6629, featured on the front cover

Estimate: £1500-2000