1930s AO Hexagon Vintage Eyewear Glasses 1/10 12K Yellow Gold Fill Frames + Case

Bifocal rimless yellow gold 12k filled with hexagonal lenses with case. nose bridge and temples marked with "ao" (american optical) and 1/10 12k g.f. (gold filled). . comes with the black case unidentified for prescribing optometrist. i have no way of knowing if this is the original case for these glasses. glasses dimensions: temple length (screw to ear bend extremity): 4.75" width (screw to screw): 5" bridge: 5/8” at narrowest, .75" at wider bar above nose lens: 1-7/8" wide x 1 5/8" tall case dimensions: 5.25" long x 2.25” wide x 0.75” deep condition: metal portions of frames are in good used condition. metal is clean and brightly polished. lens are in poor condition - but serviceable as patterns for replace prescription rx. temple wraps present - showing one crack on right temple. nose pads are good -- cracking seen on surface of right pad. case is in good serviceable condition, with clean intact velvet on the interior. normal wear and tear, without loss of covering, on exterior. material over hinge beginning to fray. many people ask us, what is the difference between gold filled glasses and gold-plated eyeglasses? gold filled is a heavy plating process where 5 to 10 percent of the eyeglasses are real gold. gold-plated on the other hand is a very light coating, often 100 times less than gold filled eyeglasses. the gold-plated coating is very inexpensive as it has little actual gold content and therefore is common today on eyeglasses as well as on many other types of jewelry. another type of gold filled eyeglasses is called rolled gold plated, or rgp. the vintage eyeglass frames usually had much less gold content, often 1/30 10k. or so, so the value was much lower. 1/10 12k gold means that the frames are 10 percent of 12 karat gold, or 5% of solid gold which is 24 karat. 1/10 12k was the most common type of gold filled glasses made in the us. in the united kingdom and elsewhere in europe frames were often made of 1/20 10k, which is 5 percent of 10 karat or about 2 percent of 24 karat solid gold. always happy to pass through discounts on combined shipping. i only charge actual postage, and always use recycled packing materials. note some photos appear redundant because i take photos from all possible angles. on symmetrical items, these photos may appear redundant when there are no distinguishing differences or condition issues between side views. i gladly accept returns, but please note i do not pay return postage unless there was a significant error in my description. the item listed is being sold as is, as pictured and as described to the best of my knowledge. all dimensions and weights approximate. if you have a question or an assumption on an item prior to purchase, please ask. i much prefer to take the time on the front end to make sure you will be satisfied with your purchase. remember, when buying vintage expect imperfections as these items have a history and have been in the possession of others. i try to list every flaw which would be commented on something in an antique or vintage condition – this does not mean all imperfections resulting from normal wear & use require comment. my goal is to have no rude surprises upon receipt.