This antique piece is a stunning example of guilloche work, crafted in sterling silver during the 20th century. The intricate pattern is a testament to the skill of the maker and the enamel adds a beautiful touch of color. The materials used in this piece include silver and enamel, making it a unique addition to any antique collection. This item falls under the categories of antiques, silver, and non-U.S. silver, and is sure to be a conversation starter in any display.