Brand: Mitsubishi Pencil Co.
Made in: Japan
Here is an unusual Japanese copying type pencil with eraser.....not so sure you can erase this type of mark, but whatever. I actually think this pencil is made for copying down notes etc.
Founded in 1887 and formerly known as Masaki Yomato, Mitsubishi Pencil Co., Ltd. is best-known today for its uni-ball brand of quality writing instruments sold worldwide. Curiously, this Tokyo-based business is unrelated to Mitsubishi Motors and other brands within the Mitsubishi Group. Same name, same logo, completely different company.