Lebron RC PSA 10

I just won a 2003-04 Topps First Edition Basketball Set on EBAY with a PSA 10 Lebron James graded card for $75. Should I: A)Keep it for 15-20 years and hopefully Lebron, Carmelo and Duane Wade all become hall of famers, B)Sell while they're hot and maybe get $175-$200 for the set and the Lebron or C)Sell the Lebron for $125-$150 and buy an ungraded Lebron to finish the set? Just running it by you guys.
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Mark
Raw: Tony Gonzalez (low #'d cards, and especially 1/1's) and Steve Young.