Based in Kankakee, Illinois, Amberg File & Index Co. manufactured many well-known carrying cases for records including this Amfile Platter-Pak from the early 1960s.
Chipboard wrapped in pasteboard paper with a clear plastic handle. A snazzy musical design covers the sides. And look at that bottom, a design upgrade from Platter-Pak allowed you to stack your cases atop each other without them becoming tipsy.
H 8" x W 8" x L 5"
Please note: The edges and corners exhibit some wear and age.