Lanarkshire 1, Glasgow (Dalton & Hamer, page 413)

Denomination: penny, scarcity: Extra rare (RRR)
1. O: The arms of Glasgow. LET GLASGOW FLOURISH.
   R: A river god reclining on an urn, inscribed GLYDE. NUNQUAM ARESCERE. 
      Ex.: MDCCXCI. A small ornament under.
   E: Plain.

This is struck from a dies of a halfpenny, No. 5.

No. 1, RRR.

Keywords

let glasgow flourish,glyde,nunquam arescere,mdccxci