A gold coin made in collaboration between Sumikkogurashi and Dr. Yellow is now available ♪

A special collaboration between “Sumikkogurashi” and “Doctor Yellow”! Cute Sumikko and the “Happy Yellow Shinkansen” will issue precious gold coins that will bring you healing and happiness.

What comes up on the highest-grade.9999 gold coin is a smiling scene where Sumikko and the others are snuggling up tightly and riding Doctor Yellow. It is a design that relaxes and soothes the heart, and is also decorated with the motif of a small gear wheel that plays an active role in the “corner” of the bullet train.

The gold coins are limited edition with a circulation of 2000 pieces, and come with an acrylic display stand where you can set and display gold coins. It will be delivered in a special box with a foil stamped collaboration illustration.

Product Name: Sumikkogurashi x Doctor Yellow Official Pure Gold Coin Price: 119,800 yen (131,780 yen including tax) Type: 1 type in total Release date: 2026/4/30 (Thursday) (scheduled to be shipped sequentially from early 2026/7)

Click here for details ▽ https://iei.jp/sumikko-drycoin/

[Contact] Imperial Enterprise Co., Ltd. Tel: 0120-989-808 Reception hours: Weekdays 9:30 to 17:00