1980 Topps card #482 signed by Oakland A's HOFer Rickey Henderson. Mint signature in blue sharpie.  The autograph grades a GEM MINT 10.  Slabbed/Encapsulated by PSA/DNA.  Extremely desirable signature.  100% authentic.  $4.95 for secure insured shipping. See my other auctions for more unique items at low minimum bids.