This is a special edition Goshu-in (temple/castle stamp) sold for the New Year's holiday in 2025 (Reiwa 7), dated January 1st. The characters for Nagoya Castle are foil-stamped, and the design features an illustration of a snake (巳), the zodiac animal for the year, along with a seal, and the family crest, the Mitsuba Aoi (three-leaf hollyhock). The stamp is based on Nagoya clay dolls. As a bonus, a Nagoya Castle leaflet is included. The following is the product description from Mercari AI: Nagoya Castle Special Historic Site Commemorative Ticket, gold foil design. - Event Name: Nagoya Castle Special Historic Site - Date: January 1st, Reiwa 7 - Design: Gold foil stamped illustration - Facility Name: Nagoya Castle Thank you for viewing.