My books are not sufficient for this master. The master is: G M under a fleur de lis (uncrowned!), two grains, cross (or fleur de lis?). Further there is: A = Paris, crowned P = 1708/mid 1709. If the fleur de lis had been crowned, the the maker could be: Gregoire - Nicolas - Rene Masse (Beuque nr. 6...