Watch List notes:

National Series, Skidmore's pattern Penny for the Centenary of the Revolution (1788), bust of William III right without border, rev. Britannia seated left, feet on emblems of popery, edge plain, 34mm/24.90gm. (DH 198; Woolf 75:4; BHM 284), good Extremely fine, iridescent patination with remains of original lustre in
protected areas, die beginning to break hence very rare.

Ex. Davisson's Mail-bid Sale 9, 9 Oct. 1997, lot 225.