Golden comic book boards. These boards are meant to be used with Golden comic book bags to have a rigid back drop so that your treasured comic book does not bend in transportation or handling.
Supplies – Exchange Collectibles
Golden Comic Backing Boards
Comic Supplies
GuardHouseHolders
CineQuest.com San Diego Comic-Con 2023 Exclusives - San Diego Comic-Con Unofficial Blog
100) CheckOutStore Comic Books Backing Boards (Golden Age - White)
Ashcan Size Resealable Bags? : r/comicbookcollecting
GuardHouseHolders
56pt Golden size backer boards - 7 1/2 x 10 1/2 56pt ACID FREE SBS BOARD Super Strong & Precision Cut to Size 50 boards per pack. Get your 56pt
56pt Backer Boards - Golden Size - 7 1/2 x 10 1/2
Golden Age Collectables – The World's Oldest Comic Shop!