Watch List notes:

The International Exhibition, South Kensington, 1862, official prize medal, in copper, by L. C. Wyon, after Daniel Maclise, Britannia surrounded by Industry, Arts, Science and Agriculture, rev. wreath around inscription, named on edge, COIGNET, SON & CO, & COIGNET, BROS & CO, CLASS II, 76.5mm. (BHM.2747; Eimer 1553), extremely fine
The Coignet companies were from Lyon, France, the medal awarded for 'Chemical products obtained from bone; amorphous phosphorus matches'.
Wyon was paid £6,409 for supplying the official medals and they were struck for him at the minting facilities of Messrs Pinches.
(80-120 GBP)