This is an auction for a keychain commemorating the 40th anniversary of the Sanyo Shinkansen's full line opening. Featuring: #0 Series, #100 Series, #300 Series, #500 Series, various #700 Series, and #Doctor Yellow. The Sanyo Shinkansen celebrated its 50th anniversary of full line opening in March 2025, but this item is a rare piece of Sanyo Shinkansen merchandise commemorating the 40th anniversary of the full line opening, which was 10 years ago. How about adding this item from the 40th anniversary to your collection, along with the 50th anniversary goods? ・Size: Approximately 6.7cm x 4.3cm ・Condition: New, unused, stored item ・Design: Features illustrations of 9 Shinkansen train cars, including Doctor Yellow. Thank you for your consideration.