Original American Optical (AO) HGU-56/P FLIGHT GLASSES, with case,with grey Glasses (no skratches) and silver metal frame with the original envelope case, this hard to find type of aviator glasses are unique and would make a fabulous beach wear statement ,all in used but very good to exellent condition,Please note that all our items are pure collector items or display items. The items are not tested for real use and have no aeronautical exams or clearances. Use is at your own risk !