Probably from being stacked too harshly as this candle holder coaster has not been used. There is also a minor scratch on the bottom that can be seen in the last picture. All can be seen in the pictures. The item "Fire and Light Recycled Glass 4 1/4 Cobalt Blue Candle Holder Coaster Scratch" is in sale since Monday, November 9, 2020. This item is in the category "Pottery & Glass\Glass\Art Glass\Studio/Handcrafted Glass".The seller is "celesteinsko" and is located in Elgin, Oregon. This item can be shipped to United States.