SLABS
Slabs in trading card collecting is a trading card that has been professionally authenticated, graded, and sealed inside a hard, tamper-evident plastic case by a third-party grading company like PSA, BGS, SGC, etc.
Slabs in trading card collecting is a trading card that has been professionally authenticated, graded, and sealed inside a hard, tamper-evident plastic case by a third-party grading company like PSA, BGS, SGC, etc.