Watch List notes:

COINS, CHANNEL ISLANDS, GUERNSEY William IV (1830-1837), Bronzed-copper Proof 8-Doubles, 1834 (Pr 1A; S 7200; KM 3a). Has been lacquered, otherwise superb uncirculated.
ex A L T McCammon collection, Baldwin's Auction 20, 11 October 1999, lot 146
ex Pridmore, Glendinings, 22 September 1981, lot 503

Estimate: £250-350