Source: The Berg Companion to Fashion 2010
“There are very few firms at present, one or two only, Callot—although they go in rather too freely for lace—Doucet, Cheruit, Paquin sometimes. The others are all horrible.&. Then is there a vast difference between a Callot dress and one from any ordinary shop?" Albertine responds that there is a great difference because what one could buy for three hundred francs in an ordinary shop will cost two thousand at Callot soeurs (Proust, p. 675).