Middlesex 90, London and Westminster (Dalton & Hamer, page 102)

Denomination: penny, scarcity: Very rare (RR)
90.  O: WESTMINSTER ABBEY BT 1245.
     R: The arms of London and Westminster between palm and oak branches,
        a cap of maintenance above. LONDON AND WESTMINSTER PENNY 1797.
        Same for Nos. 86-90.
     E: I PROMISE TO PAY ON DEMAND THE BEARER ONE PENNY X

No. 90, RR.

Keywords

london and westminster penny 1797,westminster abbey bt b 1245