Middlesex 728, Spence's (Dalton & Hamer, page 169)

Denomination: halfpenny, scarcity: Fairly common
728.  O: A sailor seizing a landsman. * BRITISH * LIBERTY * DISPLAYED *
         Ex.: 1795. Same for Nos. 725-739.
      R: A caduceus between a crown and cap of liberty. WE | WERE BORN | 
         -FREE- | -AND- | WILL NEVER | DIE SLAVES. As No. 679.
      E: SPENCE X DEALER X IN X COINS X LONDON X

No. 728, fairly common.

Keywords

british liberty displayed,1795,we were born free and will never die slaves