Claim: There was only one Latecoere 6 bomber built ; it was designed by Marcel Moine and P.G. Latecoere, and took its first flight in the summer of 1924.
Evidence: Only one was built. Summer 1924 Marcel Moine and P.G.Latécoère 
The Latécoère 6 first flew in the summer of 1924 at Francazal, piloted by Achille Enderlin. Marcel Moine and P.G.Latécoère 1