Filo silk may now be bought on spools, which keep the silkclean and prevent shopwear and fraying. In this way yousave time and money, by avoiding waste and inconvenience,at the same time improving your workmanship. … Corticelli Filo Silk is also sold in skeins; each skein bearsa guarantee tag branded Corticelli. Buyers should lookfor this name on spools and on skeins, 85 CORTICELLI EMBROIDERY SILK. Size EE—Washing Colors. This silk is the kind recommended in the opening chapter of thisbook for Corticelli…