Middlesex 775, Spence's (Dalton & Hamer, page 171)

Denomination: halfpenny, scarcity: Fairly common
775.  O: Bust to left in broad brimmed hat. LD GEO GORDON DIED IN NEWGATE 
         NOV 1 . 1793. Same for Nos. 775-782, as No. 696.
      R: Britannia seated. ROUSE BRITANNIA. As No. 678.
      E: SPENCE X DEALER X IN X COINS X LONDON X

No. 775, fairly common.

Keywords

ld geo gordon died in newgate nov 1 1793,rouse britannia