As Toshiie carried out all the settlement of the Maeda family in person, his favorite soroban (abacus) has been handed down as a treasure of the Maeda family (a soroban had just been introduced to Japan at that time, so it was uncommon enough to be able to use it.)
前田家の決済はすべて利家自身で行ったため、愛用の算盤が前田家家宝として残っている（算盤は当時に日本に伝わったばかりであり、それを使えるというだけで稀有な事であった）。