That the back end of the "chip" is raised above the surface of the main body of glass indicating this was done at the time of manufacture. I have also shown with an arrow where the lustre has "dripped" down the side of the vase by the handle and has formed a droplet. The weight of the vase is 1.93 kilo (4 lb 4 oz). The item "Loetz Art Deco Papillon Glass Vase" is in sale since Sunday, February 23, 2020.This item is in the category "Pottery, Porcelain & Glass\Glass\Art Glass\Bohemian/Czech". The seller is "more-ackers" and is located in Launceston. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.