There is a mark on the inside. Not sure if manufacturers defect or what it is. There is no difference in touch when you feel it. Please see last pic. Otherwise no chips. The Jeannette Feather Shell Pink Milk Glass Punch Bowl Set is a vintage 1950s set featuring a beautiful pink color and a delicate feather pattern. Made of milk glass, this set includes 12 cups and is perfect for serving punch at gatherings or special occasions. The Jeannette brand is known for its quality and craftsmanship, making this set a charming addition to any collection of decorative cookware, dinnerware, and serveware.