Sin&Cos round avant grade frames / sunglasses steampunk 90s made in Italy

Sin & Cos 90s NOS round steampunk sunglasses made in Italy in the 90s, in mint condition. Incredibly detailed frames in what seems to be aluminium, made by Casanova eyewear one of the most luxurious and avant/garde producers of eyewear in Italy. Two tones of metal, silver and a darker grey like titanium. available both as eyeglasses or sunglasses. Retail for these was over 350€ Size 25/43 Width 13,5 cm Lens width 4.3 cm Temples 13,5 cm