Drogheda 4, (Dalton & Hamer, page 459)

Denomination: halfpenny, scarcity: Very rare (RR)
4. O: A female seated holding a harp. FOR . THE . PUBLICK . GOOD . ->*<- . 1792 
      . ->*<- . (Same as No. 3).
   R: A cypher I M Co. MAY IRELAND EVER FLOURISH . * .

No. 4, RR.

Keywords

for the publick good,1792,i m co,may ireland ever flourish

Additional photos

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

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