Ebay item #7370817866 is an amazing haul of vintage British microphones, collected by the seller's father, who was an engineer at the Royal Albert Hall from 1958-1991. The auction tells a wonderful little slice of the father's life, which included setting up microphones for Frank Sinatra, Last Night of the Proms and events at Buckingham Palace. Bidding is currently £2,300 with 4 days to go. (Thanks, Pete)