Modigliani was Italian, he was born and grew up in Livorno, in Tuscany, in Italy.
If you are going to authenticate works by Modigliani, paintings, drawings, sculptures perhaps, you need to have access to the Italian archives, the Italian records about Modigliani.
We speak Italian and our art historians reside in Italy.
Modigliani moved to Paris, France, in 1906.
If you are going to authenticate drawings and paintings by Modigliani you need to have access to the French archives, the French records about Modigliani.
We speak French and our art historians reside in Paris and have full access to Modigliani archives.
In addition, there is a considerable volume of international material about Modigliani and we have full access to it through the art libraries in New York and Washington where we have permanent art historian researchers.
If you have a Modigliani, send us some basic shots of it and we will respond promptly.