Cassette Grading
Professional grading and authentication services for your cassette tapes. Our expert team evaluates every aspect of your cassettes to provide accurate grading and preservation.
Industry-Leading Slabs
AMG offers a patent-pending, sonic-welded case that is tamper-resistant and is manufactured from museum-grade acrylic that protects from 99% of harmful UV light.
Unmatched Display Options
AMG's cassette cases are specifically designed to hold a variety of cassette options. You name it, it can fit in our case!
Inspiring Iconic Label
Every collector has a goal of maximizing the value of a piece -- and this is what an AMG label does. The label created for each piece is an honest and objective representation of the item's condition -- and collectors are seeing a 6X+ premium for pieces graded with AMG compared to raw sales.