International Sports Authentication Customer Reviews

  • I have compared ISA with other grading companies and have found them to be as professional as any other. They have a quicker turnaround time and charge less to grade cards. I have been pleasantly surprised and happy with the level of service and quality of the workmanship. Try “ISA” you won’t be disappointed.

    5 out of 5
    Robert & Carmela Fortin Bob’s Sports Card Collectibles

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