Lancashire 9, Lancaster (Dalton & Hamer, page 64)

Denomination: halfpenny, scarcity: Fairly common
Dated 1791.

9. O: Centre of crown between D and U.
   R: Line of shield between C and A.
   E: PAYABLE AT THE WAREHOUSE OF THOS. WORSWICK & SONS . X .

No. 9, common.

The points noted as a mode of identification:
O: The position of the front point of crown to the letters of the word "GAUNT,"
   and the centre point of crown to the letters of the word "DUKE," also the
   star under bust.
R: The centre line of shield to the letters on either side, and point of shield
   to the date.

Keywords

iohn of gaunt duke of lancaster,lancaster halfpenny,1791

Additional photos

Image was provided by ebay seller johnnewmancoins and is used with permission. Please visit seller's shop; this specimen might still be for sale.

Image provided by Professional Coin Grading Service. View PCGS certificate.