The product is a rare and highly sought-after promotional item from the first edition of Nintendo Power magazine, published in 1989. It includes a winner certificate for the Holy Grail Club, signed by Howard Phillips (Printed), a prominent figure in the video game industry. The certificate is in English and was published by Nintendo Power in the United States.

The product is a single unit and may have been part of a subscription. It is a must-have for collectors of vintage video game memorabilia.