At Sotheby’s, the crown is king. The plastic topper worn by Christopher “Notorious B.I.G.” Wallace in his last photo shoot sold for $594,750 (including Sotheby’s “buyer’s premium” fees and taxes) during an auction Tuesday night — despite its original $6 price tag. At the auction house’s first hip-hop memorabilia auction — which featured a one-of-a-kind Def Jam Recordings jacket, a triptych of pioneering DJs painted by Fab 5 Freddy and Judith Leiber’s crystal-encrusted handbag inspired by a boombox — the crown’s original purchaser said he didn’t buy the royal-rig for its gold content and embedded jewels. “This crown ... (full story)