An item referred to the magazine Marine Rundschau dated September 1925 reporting that the 7 French submarines of the Amphitrite-class built in 1914-1915 with a displacement of 410 (surfaced)-550 (submerged) tons seemed to be bought by Romania.(1)
Note
1. This class numbered originally 8 units, but the Ariane (Q100) sunk on 19 June 1917. The whole class served in the French navy and was in contrary to the item not sold to Romania.