Watch List notes:

BRITISH 18th CENTURY TOKENS, Matthew Denton, Copper Farthing mule, obv an ancient fortress, encircled with a wreath of leaves, rev DENTON . ENGRAVER * & . PRINTER * 7 . MEAD * * ROW * NEAR THE * ASYLUM. * .LAMBETH., edge plain (Conder p.150, 25; Atkins p.194, 27; D&H Surrey 17). Good extremely fine, toned, scarce.
The obverse from the Halfpenny Fortress die used for the Aberdeen token

Estimate: £70-90