50年程前の土佐犬の大会の賞品と思われます。横　約80センチ縦　約40センチです。かなり価値のある品物です。#土佐犬#闘犬＃刀#志津三郎兼氏This item was a prize from a dog fighting tournament 50 years ago. It is a venerable item that was displayed in Yakuza houses for many years after that. There is only one item in this condition even in Japan.这似乎是大约 50 年前土佐狗比赛的奖品。宽约80厘米，高约40厘米。这是一件相当有价值的物品。Zhè sìhū shì dàyuē 50 nián qián tǔzuǒ gǒu bǐsài de jiǎngpǐn.Kuān yuē 80 límǐ, gāo yuē 40 límǐ.Zhè shì yī jiàn xiāngdāng yǒu jiàzhí de wùpǐn.