Metallica‘s classic single ‘One’ has gone up for auction.The ESP 400 series instrument, which is said to be in “excellent” condition, is now available to bid on through Heritage Auctions for a limited period. Its current bid price is $26,000 (£18,900).Hammett’s signature appears in silver ink at the bottom of the natural solid body, with the guitar also coming with a signed certificate of authenticity and original hard case.