See What Dealers And Collectors Are Saying About ISA.
"Having conducted hundreds of deals with ISA's founder and principle owner over the last decade, I'm confident Jason Koonce has the hobby knowledge and business where withal to meet ISA's customer demands and deliver the same level of satisfaction I've enjoyed in our many dealings together. We're excited for another firm to enter the market and hopefully bring some much need parity and customer satisfaction to the frustrating process third-party card-grading."
Brian Drent
Owner
Mile High Card Company
"Viable competition keeps all of us working at our best to serve our customers, so the addition of International Sports Authentication should be beneficial to the hobby."
Michael Chestnut
Sirius Sports Auctions
"I have known Jason Koonce for the better part of a decade. He is respected in the industry and has developed some great relationships."
Doug Allen
President Legendary Auctions
"ISA gives the card industry a professional and accurate alternative to the existing graded card market. While grading companies seem to come and go with increasing regularity (and expensively disappointing results), it is comforting to know that conscientious collectors now have a REAL choice. ISA is well versed in the full range of cards and memorabilia. Without question ISA is a company that is good for this collecting environment."
• Solid, consistent grading
• Quick turnaround times
• Superior customer service
Rich Gove
Rich Gove Collectibles
Houston, TX
