Unusual Antique vintage round eye Glasses one side sunglasses other side clear

Unusual antique vintage round eye glasses one side sunglasses other side clear description - an unusual pair of round lens gold framed eye glasses . one side dark like sunglasses and the other side clear with a bifocal lens. the frame gold filled & black . dimensions - overall width 4 1/2" , temple length 4 3/8" age - ca 1900 - 20 + - condition - fine condition , free of any chips or cracks . shipping - usps , fed ex or ups , insurance always included in shipping cost .