Buying or selling? Beware of fraud.
A Brief History of the Marque
Manufactured by Ets F. DURIF
16 & 18, Rue Montgallet
There was a relationship with Lurquin-Coudert in 1907/1908. Olympia built an engine of 400cc (75 x 90mm) prior to WWI.
Bourdache Vol. 1, pp 279, 284, 297, 330.
Classic Motorcycle Books