Advice on Autograph Item/Placement

I have the opportunity to get something signed by Andrew Luck (Stanford Football QB, Heisman favorite, and projected 1st overall draft pick) in the next few weeks. I plan to just keep the item, but if he becomes a successful NFL QB I might sell it so I'd like to maximize the monetary value of the signature. For this reason, I think a jersey signature would be best, but I'm not sure. Most of the replica jerseys I've seen do not have his last name above the numbers on the back (NCAA regulations I guess..), but a few somehow have the name as well. How much would the name above the numbers add to the overall value? Also, there's a special edition "blackout" jersey that Stanford only wears once a year and they're much harder to find. None of the ones I found had his name above the numbers but I think the actual jersey looks much cooler. I know absolutely nothing about sports memorabilia so I'd appreciate any advice you might have on the matter. Thank you!
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For your description, the black one sounds pretty cool.