This bayonet was the last of the French "sword-
The blades are usually marked on the back-
These bayonets replaced the Model 1866 "Chassepot" bayonet (and corresponding infantry rifle), and were replaced by the French Model 1886 Lebel Bayonet (aka "Rosalie") (and corresponding infantry rifle).
Several other countries used this bayonet, including Greece (these are marked "Waffenfabrik Steyr" or "Usine de Steyr"), Germany (many modified variants), Ireland, and others; Portugal also used a variant for their Portuguese Kropatschek Navy Rifle, but their bayonet has a straight back-
The French Model 1874 "Gras" Bayonet has a colorful history was used by the French Foreign Legion on more than one occasion.