This coin has been produced to commemorate the issue of the 150th Anniversary of the Postal System by Japan Mint.
Obverse Design: No. 1 round-shaped mailbox and a work scene of Mail being loaded. The design is based on Postal On-site picture Scroll 6, which was drawn around the 1890s (color-printing).
Reverse Design: The entrance to the former Tokyo Central Post Office.
Worldwide Mintage: 50,000 pieces.
Outside Japan (Overseas Market): Only 4,989 pieces.