55mm. Silver. By W. Wyon.
Obverse with bust of Lawson in clerical jacket, reverse with 'PALMAM QUI MERUIT FERAT' within wreath.
Contained within glass lunettes, silver band around. Mint state and frosted. A very rare form of this medal.
A similar example realised a hammer price of £720 in Baldwin's of St James's auction 52, 18/11/2020 (lot 217).