Signoria Retro Luxury Duvet Cover. Signoria Firenze Luxury Egyptian Combed Cotton Italian Bed Linens Retro is 600tc Egyptian cotton Percale with Embroidery. Duvet top/reverse to plain percale embellished with U shape embroidered pattern. The luxurious richness of fine jewelry brought to the bedroom by Signoria. An embroidered collection on 600 thread count percale designed to adorn the bedroom as an elegant necklace adorns a beautiful woman.