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					Originally Posted by Rookiemonster  I have a Hank Aaron that has a MLB/ Steiner authentication . 
 I also got in person a Juan marical ball at the NYC all start fan fest . It was given the sticker right on the spot .
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 Yes Steiner/MLB holo is ironclad, that's guaranteed authentic.  It will definitely command a premium on resale, how much is debatable but if a ball without that authenticity goes for, say, 125, the one with MLB/Steiner will get maybe $175