Links
Grading Companies:
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PSA - Professional Sports Authenticator
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SGC - Sportscard Guaranty, LLC
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Beckett Media LP
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Auction sites:
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Mile High
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Huggins & Scott
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Lelands
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REA - Robert Edwards Auction
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Goodwin
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Heritage
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Memory Lane
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Shows and Conventions:
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The National
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Historical and Reference:
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Cap Anson
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Baseball Reference
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Cardboard Connection
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Homeruncards.com Baseball Cards
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Sports Card Attic
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Dean's Cards
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