Warwickshire 23, Birmingham. Welch (Dalton & Hamer, page 262)

Denomination: penny, scarcity: Extra rare (RRR)
23. O: Bust to left. A trial piece of No. 24, no inscription. Four buttons added
       to the coat.
    R: Blank.
    E: ON DEMAND I PROMISE TO PAY THE BEARER ONE PENNY.

No. 23, RRR.

Keywords

no_legend,blank_side