Hampshire 19, Emsworth (Dalton & Hamer, page 42)

Denomination: halfpenny, scarcity: Common
19.  O: EARL HOWE AND THE GLORIOUS FIRST OF JUNE. The queue points between U 
        and J, the & further from E and T. Same obv. die is used for Nos. 15-21.
     R: MAY GREAT BRITAIN EVER, &c.
     E: CURRENT EVERY WHERE.

No. 19a, RR. 19, fairly common.

Keywords

earl howe the glorious first of june,may great britain ever remain the reverse