Yorkshire 5, Sheffield (Dalton & Hamer, page 320)

Denomination: penny, scarcity: Extra rare (RRR)
5.  O: The cap of Liberty on a pole between oak branches. PRO PATRIA on a label
       across the pole. SHEFFIELD CONSTITUTIONAL SOCIETY. (Same as No. 4).
    R: Laureate bust of William III, &c.

No. 5, RRR. 

Keywords

pro patria,sheffield constitutional society,1688