Royal Dublin Society, an oval silver award medal, Hibernia seated with Irish shield and cornucopiæ, rev. named (Royal Dublin Society to Mr Wm McCalla in Testimony of their Approbation of the first part of his work on the Algae Hibernicæ 1845), 57 x 45mm. Extremely fine £400-£500

Provenance: Baldwin Auction 55, 7 May 2008, lot 2654; A Collection of Irish Historical Medals, DNW Auction 172, 11 March 2020, lot 356.

William McCalla (1814-49), botanist and naturalist from Roundstone, co Galway, where he was a schoolmaster by profession