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What are the value on these? Mantle, Pele, John Glenn and Tyson

Hello I am having a bit of a problem putting a value on these items I am looking to move. I dont want to lose a buyer due to be over valuing my items. Thanks for the look and any tips you have.

Mantle Casino card signed

Pele signed team schedule

John Glenn signed postcard

Mike Tyson signed rookie card from 1985/86

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Permalink Reply by Mike P on August 5, 2013 at 4:09pm

AThe Pele could go from 50-150 $ given that it isn't authenticated and people usually go to icons for Pele. Mantle also goes up significantly with authentication, I am thinking $200 max for the mantle card unless it is a large size since signed photos go For $250-350 with authentication

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Permalink Reply by Rock G III on August 5, 2013 at 7:15pm

Thank you mike that right about what I assumed for those 2 items so thats good. The Mantle is around the Perez Steele cards size if that helps any.

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Permalink Reply by Rock G III on August 7, 2013 at 9:09am

Any other opinions?

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Permalink Reply by Null on August 7, 2013 at 9:15am

What size is that Mantle? 3x5? 4x6? If either of those, I would value that at around $70-$115 uncerted. If PSA/DNA or JSA add $30 to those estimates. (Ultimately not worth sending in and paying $100 to cert)

I don't see the Tyson being worth more than $50...

No clue on Pele.

Mr. Zipper is the person to ask on the Glenn

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Permalink Reply by Rock G III on August 7, 2013 at 11:54am

I think its 4x6

The tyson card without a signature sells for $90+ depending on the condition according to some of my research. This is the lower end condition wise. So i suspect the value signed would be a bit more.

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Permalink Reply by Null on August 7, 2013 at 11:57am

Ah I'm not expert on Tyson cards at all.

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Permalink Reply by Rock G III on August 7, 2013 at 12:33pm

its cool I didnt mean to come off ungrateful. Thank you.

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Permalink Reply by Steve Zarelli on August 7, 2013 at 12:45pm

If the Glenn postcard is black and white (hard to tell from image), I'd put it around $20. It's a generic space image that does not depict him, thus the relatively low value.