On the What's Shenmue disc are some variations of Mr. Yukawa's business card that were left over from the development process. They have small changes to their visual design and written information compared to the version used in the demo.
https://www.phantomriverstone.com/2022/06/unused-assets-mr-yukawa-business-card.html
https://www.phantomriverstone.com/2022/06/unused-assets-mr-yukawa-business-card.html
