Two novelty erasers from the post office: ① Round Post Box These are miniature erasers distributed as non-sale novelty items by the post office. Design: They are modeled after a retro Showa-era round post box, and the packaging features the "Yu-Pack" logo and "Poston," the mascot character from when the new postal code system was introduced. Background: Commemorative items from the introduction of the "New Postal Code (7-digit)" in 1998. ② New Postal Code Character "Poston" This is an eraser of "Poston," the former mascot character of the post office, which was born with the 7-digit postal code in February 1998. This eraser is a non-sale novelty item produced to commemorate the 1st anniversary of the introduction of the new postal code system. Although they are new and unused, they have been stored at home. Please understand this before purchasing. Instant purchase OK.