Middlesex 303, Foundling Fields (Dalton & Hamer, page 130)

Denomination: halfpenny, scarcity: Extra rare (RRR)
303. O: A lamb, within a circle. FOUNDLING FIELDS 1795.
     R: A cypher I B within a circle. PAYABLE ON DEMAND. The I is much smaller
        than the B, and a diamond-shaped stop comes midway the beginning and end
        of legend.
     E: Milled.

No. 303, RRR.

Keywords

foundling fields,1795,i b,payable on demand