Watch List notes:

COMMEMORATIVE MEDALS, BRITISH MEDALS, Sir Roderick Murchison (1792-1871), Scottish Geologist, Copper Medal, 1866, for the Geological Society of London, by L C Wyon, bust left, rev crossed geologist's hammers with fossils in angles, wreath of fossilised plants around, SILURIA, 56mm (BHM 2869; Eimer 1588); Cathedral, White Metal Medal, 1844, by J Barker, view of Cathedral, rev Chichester Cross, 60mm (BHM 2164; Taylor 2a), both in cases of issue. Both extremely fine though latter with minor imperfections. (2)
Sir Roderick Impey Murchison, 1st Baronet, KCB, DCL, FRS, FRSE, FLS, PRGS, PBA, MRIA, was the first to investigate and describe the Silurian system (about 443.8 ± 1.5 million years ago).

Estimate: £60-80