This is the only 1975/76 Topps Hockey cack case I can recall ever seeing.
![](https://i0.wp.com/www.postwarcards.com/wp-content/uploads/2024/04/1975ToppsHKRackCase-1.png?resize=1000%2C884&ssl=1)
Mastro Auctions offered it in their April/May 2008 Sports & Americana Catalog. The case has three 24-count rack-pack boxes, each holding 42 cards.
BBCE Auctions sold this single 1975/76 Topps Hockey rack box for just under $15k in November 2023.
![](https://i0.wp.com/www.postwarcards.com/wp-content/uploads/2024/04/1975ToppsHKRackBoxBBCE.jpg?resize=800%2C576&ssl=1)