Hidenobu's notice board stating the prohibitions in Rakuichi-rakuza (free markets and open guilds policy) is retained in Entoku-ji Temple in Gifu City with the notice boards of his grandfathers, Nobunaga and Terumasa IKEDA.
岐阜市の円徳寺には、祖父信長や池田輝政のものと並んで秀信の楽市楽座制札が残っている。