Vintage 70s MCM milkglass French ARCOPAL ‘Blue Onion’ pattern white opalescent

Vintage 70s MCM milkglass French ARCOPAL ‘Blue Onion’ pattern white opalescent The glass is tempered - both heat and shock-resistant. Arcopal was made by Cristal D’Arques in France during the mid-1970s. It is the brand name given by Cristal D’Arques to its line of tempered glassware of white opalescent colour.