Arc International Luminarc Cow Butter Dish, 6-1/2-Inch by 2-3/4-Inch;

Luminarc is the oldest brand currently sold by Arc, launched in 1948. Arc International is a French manufacturer and distributor of household goods. The company was established in Arques, Pas-de-Calais, where it is still headquartered, as a glass-making firm under the name Verrerie des Sept Ecluses in 1825.