Manhole card installed near Kinugasa Station in 2024. The design features the family crest of the Miura clan, who ruled the entire Miura Peninsula, "Maru ni Mitsu-biki Ryo" (three horizontal lines within a circle), and the cherry blossoms of Kinugasa Mountain, which was selected as one of the "100 Best Cherry Blossom Viewing Spots." To prevent bending and for waterproofing, it will be sent by regular mail.