Kent 21, Folkestone (Dalton & Hamer, page 58)

Denomination: halfpenny, scarcity: Rare (R)
21.  O: PAYABLE . AT . FOLKSTONE . KENT. VALUE . ONE . HALFPENNY. 1796. In two
        circles, with date in centre.
     R: Ships laying at quay. MAY . COMMERCE . FLOURISH.
     E: Milled over SKIDMORE, HOLBORN, LONDON.

Probably made by Skidmore, for sale to collectors. C.Pye did not include it.

No. 21a, R.

Keywords

payable at folkstone,kent,value one halfpenny,1796,may commerce flourish