Watch List notes:

COMMEMORATIVE MEDALS, WORLD MEDALS, France, Prize Medal for the Universal Exposition in Paris, Bronze Medal, 1900, by J C Chaplain, capped head of Marianne to right, rev female figure of Victory carries Industry, bearing a torch, the Exposition site below, panel at bottom with the recipient's name VALLOTON, 63mm, in original leatherette case of issue (Maier 79; Gad 4; MeF 81). Extremely fine, the lid of the case detached.
The 1900 Olympic Games were held jointly with, and seen to be a part of, all that the Exposition encompassed

Estimate: £80-100