He Built a $50 MILLION DOLLAR Collection Flipping Sports Cards

On this episode of Slabs we visit Jason Koonce and see some of his $50M sports card collection.  Track card prices & your collection with Market Movers►: https://bit.ly/marketmoversapp Discounted PSA/BGS/SGC Card Grading ►: https://bit.ly/gradingservice Download our Apps! SCI App (Apple)►: https://apple.co/3riGbb5 SCI App (Google)►: https://bit.ly/SCIAPPGooglePlay More SCI Products/Services: Display your card collection►: https://bit.ly/standupdisplays Protect Your Slabs►: https://bit.ly/slabstrong Sports Card Art►: https://bit.ly/scipaitings SCI Swag►: https://bit.ly/swagsci Follow Us: SCI Instagram►: https://bit.ly/SCIIG SCI Twitter►: https://bit.ly/scitweets SCI Facebook►: https://bit.ly/FBSCIPage Geoff’s IG►: https://bit.ly/itsgeoffwilson Geoff’s YouTube►: https://bit.ly/ytgeoff Card Kids YouTube►: https://bit.ly/cardkidsyt Market Movers YouTube►: https://bit.ly/marketmoversyt