Baseball In
The Attic Blog
Insights from Michael Osacky on sports memorabilia, sports card appraisals, market trends, and collecting strategy. Explore expert articles covering grading, authentication, valuation principles, and what serious collectors should know before making important decisions.
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The T206 Honus Wagner: Why It’s Still the Holy Grail of Baseball Cards
Read more: The T206 Honus Wagner: Why It’s Still the Holy Grail of Baseball CardsThe T206 Honus Wagner is considered the Holy Grail of baseball card collecting, and for…
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What CPAs and Estate Attorneys Need to Know About Sports Memorabilia Appraisals
Read more: What CPAs and Estate Attorneys Need to Know About Sports Memorabilia AppraisalsA USPAP-compliant appraisal is what professional estate planners, attorneys, CPAs, and other professionals should recommend…
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PSA Authentication vs PSA Grading: What the Difference Means for Your Collection
Read more: PSA Authentication vs PSA Grading: What the Difference Means for Your CollectionIf you own sports cards, autographs, or memorabilia, you’ve probably heard the terms PSA authentication…
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Rare Baseball Cards: What Makes a Card Rare and What the Rarest Are Worth
Read more: Rare Baseball Cards: What Makes a Card Rare and What the Rarest Are WorthWhen people hear “rare baseball card,” they often picture something old. But age alone doesn’t…
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How to Spot Fake and Counterfeit Vintage Baseball Cards
Read more: How to Spot Fake and Counterfeit Vintage Baseball CardsThe trading card and sports collectibles market has been growing in terms of value, volume…
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Donating Valuable Sports Cards or Memorabilia? Here’s How to Protect Your Tax Deduction
Read more: Donating Valuable Sports Cards or Memorabilia? Here’s How to Protect Your Tax DeductionDonating sports cards and sports collectibles is an easy process IF you follow the correct…


