Watch List notes:

The Portland Collection, Commemorative Medals, Exhibitions: Victoria, International Inventions Exhibition, London 1885, gold medal, by L. C. Wyon, veiled bust l., VICTORIA REGINA, rev. figures of Invention and Music resting on a scrolled plaque inscribed 1885 INTERNATIONAL INVENTIONS EXHIBITION, wt. 42.35gms., 45.5mm. (BHM.3198; Eimer 1715), in velvet-lined brown leather case of issue, labelled in gilt, INTERNATIONAL INVENTIONS EXHIBITION 1885, certified and graded by NGC as Mint State 63, frosted bust on brilliant field
The management of the International Inventions Exhibition, held in South Kensington, chose neither to name the medals nor the cases so the recipients remain unknown.