Nachikatsuura Fishing Port accepts only longline fishing boats, which are said to be rare in the world and are said to be environmentally friendly, and boasts the largest catch of raw tuna in Japan. We made a signboard for Yamasa Wakiguchi Suisan Co., Ltd., which was founded in 1897 in Nachikatsuura-cho, which is also a place of faith.

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We received a request to make it in the image of a sword, and expressed it in iron while keeping the design that we have been using since our founding. ​The hammer marks made during the production process to create the shape look like a tuna swimming powerfully in the ocean.