Overstreet Comic Book Grading Guide Card OWL/ONE Vintage Factory Sealed Pack For Sale

Back in stock just in time for Spring and Summer garage sales and conventions! Overstreet\'s original comic book grading system on a single card. On one side is the 100 point grading scale system; on the other side is a paper whiteness grading scale system for quick reference at shops, shows, and garage sales for hobbyists  alike.

This pack was featured as a companion to the Overstreet Comic Book Grading guide 1st edition, an industry standard for comic grading and pricing to date.

Overstreet\'s Comic Book Grading Card Original Vintage Mint Factory Sealed Pack.

Each pack contains an OWL/ONE card and an introductory \"how-to\" guide. Also included is a top loader to place the card in for a safe and durable keeping.