Watch List notes:

The Abramson Collection of English Coins | William III (1694-1702), Proof or Pattern Farthing, 1698, in silver, laureate, draped and cuirassed bust right, rev. Britannia seated left, date in field, edge plain, 3.94g, 6h (BMC [Peck] 680), struck on a slightly defective planchet, otherwise handsomely toned and lustrous, a really good very fine, scarce.
Provenance
The Dr Tony Abramson Collection of English Coins
~ Leeds City Museum, Autumn Exhibition, 1994 ~
Geoffrey Kay, 'Collection of British Farthings', Spink 63, 28 March 1988, lot 91
Estimate: £200 - £300