I have owned a flask for 37 years and would like to know what it is.  A note inside says "very old, Gris de Flanders"   Someone told me it could be Westerwald.  I can send a photo of the flask.  It is unusual, a round doughnut shape.  Thank you.

Contact : Jennifer Deibler - <jdeibler@msn.com>
Page : 
french-antique-dealers.com/antiques-in-france/5822_18th-c-silver-goblet.html