A delicately crafted piece of glasswork which had been carefully carved into the shape of a cup.
The artwork was considered an expensive piece, though according to the most recent buyer, it costed 15 gold coins which by nobles was considered cheap.
- In the Web Novel and the Light Novel, the artwork is described as a cup. However, in the Anime it is shown as a glass lamp.
- The full name of the artist is not given however it is revealed in the Anime.
- In the Web Novel it was made by Artisan John and costed 25 gold coins.