Style Model: 4017 Frame Shape: Rectangular Vintage 90s - very rare - 4017 has metal CC logos on the Front , the 4017-D has Crystal CC Logos on both the lenses, pairs of either model sell upwards of 1300$ Amazing Blue Lenses, tried them on and they are amazing lenses. At the end of the tips, there are two CC coins, see last picture for reference. Metal Frame Made in Italy Amazing Condition. Very Gently Used. Very Well Cared For Lens are in Excellent Condition. There are a couple super tiny light scratches on the right lens, impossible to photograph, super super tiny, does not affect vision whatsoever, tested. The Frame is in excellent condition. Aligned, arms are working perfectly. One very minor issue, there is the ever so slightest tarnishing of the CC Logo's extremely hard to see and it is extremely subtle I would doubt anyone would notice, i am not even sure they are slightest tarnished myself even under white light, please see photos. No other issues.