Maebashi Castle Goshu-in (Official Castle Stamp) - Sumi-jo-in (Ink Castle Stamp) Gunma Sengoku Goshu-in Summit 2025 This is the Goshu-in for Maebashi Castle. It's a Sumi-jo-in limited to the Gunma Sengoku Goshu-in Summit 2025. The image is a sample. Thank you. Also, if you purchase this item with other products, we can offer a slight discount to cover shipping costs, etc. Other products in this series: #YAMATO's Sumi-jo-in