No chips, cracks or clarity problems. The maker's mark/etch is on the bottom "M".
For more items from this pattern. We have a large selection of vintage glassware & crystal, fine china & porcelain and collectibles. The item "Vintage Air Twist Stem Wine Goblet Glasses, Set of (7), Made in Portugal 8.5" is in sale since Sunday, January 14, 2018. This item is in the category "Pottery & Glass\Glass\Glassware\Elegant\Other Elegant Glassware".The seller is "blackpearl_l33t" and is located in Frederick, Maryland. This item can be shipped worldwide.