The buyer was not disclosed in the sold note posted on the firm's website, and auctioneer Brigitte Kruse said she could not immediately release information about the buyer or the buyer's plans for the plane. The auction house says Elvis designed the interior that has gold-tone woodwork, red velvet seats and red shag carpet. [...] then-GWS spokesman Carl Carter told The Associated Press the auction house is confident Elvis designed the interior, which photos show has red velvet seats and red shag carpet.