By Charles Walford Last updated at 11:46 PM on 27th December 2011 They drove 33,000 miles around the world without mishap in a 55-year-old classic car. But when Geoffrey and Hilary Herdman got back to Britain they found a large dent in the side of the 1956 Bristol 405 Drophead Coupe after leaving it in a Sainsbury’s car park. The retired couple took 16 months to complete the trip they described as a ‘wrinkly gap year’ in the Bristol, of which only 42 were made. The convertible is believed to be worth around £90,000. Geoffrey Herdman with his 1956 Bristol 405 Drophead Coupe at the Skyway Bridge in St Petersburg, Florida, during his 33,000-mile trip around the world with his wife Hilary
@highlight
£300 worth of damage done to the 1956 Bristol 405 Drophead Coupe when  Geoffrey Herdman popped into the shop
Bristol
Bristol
Bristol
Bristol
Mr Herdman finished off the restoration of the @placeholder – started by its