#Kumamoto Castle #Kumamoto Castle Goshuin (Castle Stamp) #2026 Goshuin #Reiwa 8 Goshuin #Kumamoto Castle Special Historic Site Thank you for viewing. This is a special Kumamoto Castle Goshuin for the New Year of 2026 (Reiwa 8). This is a special Goshuin with a limited quantity. For those who are collecting them, please take a look!!