COMMEMORATIVE MEDALS BY SUBJECT, International Exhibitions, France, Photography, Exposition Universelle Internationale de Paris, 1878, Silver Award Medal, by Jules-Clément Chaplain (1839-1909), named to Bidard, laureatte head of la République [Marianne] left, rev winged Victory over exhibition grounds, cherub with name-tablet, 67mm, edge stamped ARGENT. Matt surface, choice extremely fine.
The Exhibition organisers arranged for a Grand Lottery to raise the funds for its construction and this was won by a Mr Bidard. It seems possible that the medal could be related.
Estimate: £140-180