Poco USA Hornrimmed Panto Keyhole Eyeglasses Frame.  1960s era. No cracks or damage to Frame. All hinges pins and temples are tight and straight. No loose hinges or wobbley legs. This is a beautiful example of the styles and fashions that were coming out of the 1960s. Ready to have your lenses installed for years of vintage johnny depp style and fashion. Size 46[]22. 145  mm temple length.  Frame measures 127  mm(5") wide. These poco frames were made from an ultra strong acetate with optyl style durability and weight they are the titanium frames of the acetate world. They will last another lifetime and give you that vintage panto look and style that no one else can find. They were acquired as part of a collection purchased from the late Dr Honnan who used them in his Cataract research laboratory to discover and patent the honnan Cataract Balloon discovery in the mid 1960s. They have never seen wear or use on a human and are in absolutely flawless condition.