The Powers Sports Memorabilia Show
Here I discuss sports memorabilia, autographs, and a whole bunch of other fun topics around the sports world. Always informative and fun!
The Powers Sports Memorabilia Show
What is Global Authentication (GAI) and Should You Be Scared of their COA?
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Matt Powers
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Season 1
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Episode 59
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GAI was a very popular COA in the early 2000s. Are the autographs they authenticated legit? Should you be worried about buying an item with their COA? That's today's topic.
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