Contact GCA


  • General questions:
  • Estimated card values: (please include a minimum of 2 pictures)
  • Advice: Please email us at before making a purchase of $1,000 or more and we would be happy to give you our opinion
  • If you would like GCA to sell a card on your behalf please email (we only accept cards valued at more than $1,000 BUT we only take 2%)
  • Members of the media should email
  • For internship opportunities please email us at


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Hours of operation: someone on the team is usually available so I guess one could say were open 24 hours a day 7 days a week 🙂

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  1. i have a card question what is worth more i just got a 1985 Star 5 x 7 Sealed Bag NBA Court Kings **Factory Sealed** or if i open the bag and get the jordan graded
    i thank you for your answer


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