Baseball In The Attic

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Baseball In The Attic USPAP Compliant sports card & memorabilia appraiser. Lead appraiser for PSA
Board of Directors ISA Michael is a contributor to Forbes Magazine.

Baseball In The Attic is dedicated to educating others about vintage card and sports memorabilia collecting. Michael is also head appraiser for PSA

10/22/2026

PSA Grading Tip: Check your holders before you send anything in.

10/21/2026

Three cards, one worth grading. Which one would you send in?

10/15/2026

Tens of thousands of cards, and one I’ll never forget. Best job in the world.

Just for fun: 20 of the hobby’s most famous cards, and where I’d put them right now.Overhyped or underrated? Flip it or ...
10/06/2026

Just for fun: 20 of the hobby’s most famous cards, and where I’d put them right now.

Overhyped or underrated? Flip it or keep it?

Swipe through, then tell me which card I got wrong. 👇

(My opinion on the market, not financial advice.)

10/05/2026

A 1952 Mickey Mantle card. Signed on the back. Kept by one family for 46 years. Keep it or sell it?

Just wrapped a big appraisal. Went through tens of thousands of baseball cards, and one of them is among the most intere...
10/05/2026

Just wrapped a big appraisal. Went through tens of thousands of baseball cards, and one of them is among the most interesting I’ve seen in my career: a 1952 Topps Mickey Mantle, signed on the back, with a story to match.

Here’s a sneak peek. Full story coming soon.

10/02/2026

Starter hurt. Backup concussed. So the Bears called on 38-year-old Case Keenum, and he delivered.

What’s that jersey worth? Drop your guess.

10/01/2026

He turned $1,000 into $17,000 before the crash hit. Most people would’ve kept holding.

Hold or sell? Tell me what you’d have done.

Six years ago today, I partnered with PSA as the company announced its appraisal service. Every collector asks the same ...
09/30/2026

Six years ago today, I partnered with PSA as the company announced its appraisal service. Every collector asks the same question: what’s it worth? I’ve been answering it ever since.

Grading and appraisal used to be two separate stops. Now they live under one roof.

Thank you to PSA, and to every collector who’s trusted me with their collection.

Want a PSA appraisal? psacard.com/appraisals (link in bio)

09/29/2026

My client was about to sell these four vintage cards raw. He figured a couple hundred bucks each. Graded by PSA, they’re worth $5,450 together.

Get it appraised before you sell. Link in bio.

Address

76 E Monroe St
Chicago, IL
60603

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