Gloucestershire 72, Cheltenham (Dalton & Hamer, page 38)

Denomination: farthing
72. O: Laureated bust to right, I.B under it. GEORGIVS III DEI GRATIA.
    R: Shield crowned, the date 1788 follows the legend. CHELTENHAM . JULY . 12.

Large farthing size, scalloped edge.

According page 553, this is the same as No. 76. Illustrations are from No. 76.