Watch List notes:

Middlesex 246. Allen's. Æ halfpenny. 9.23 gm. 28 mm. Shield of arms; WILLIAM ALLEN LONGON 1795 around / Shield of arms; PROMISSORY HALFPENNY Edge: PAYABLE IN CHANDOS STREET CONVENT GARDEN. Good Extremely Fine; even brown tone; the obverse die shows bits of rust as well as substantial die polishing--fascinating piece).