Manufacturer: Gerz, a German pottery company known for its stoneware. Features: Ornate castles, grapevines, and a castle-shaped handle on the lid. Function: Designed for serving mulled wine, soup, or punch. Origin: Made in West Germany, likely around the 1950s. Availability: Similar items can be found on online marketplaces like eBay and Etsy, often sold as collectible items.