A two-digit Delaware tag sells for just over $280,000 at auction in Rehoboth Beach over the weekend. Emmert Auction sold the “37” tag to a buyer who wished to remain anonymous. After 13 minutes of furious in-house and phone bids, the tag sold for $282,000. A matching trailer tag “T37” also sold separately for $7,750. Butch Emmert, Auctioneer and …