The guys are in Hertfordshire, finding vintage cars, tractors and rare British bikes from the 1950s. When the haggling starts, things don't turn out quite as expected.
A religion is a belief system with rituals. The missionary kopimistsamfundet is a religious group centered in Sweden who believe that copying and the sharing of information is the best and most beautiful that is. To have your information copied is a token of appreciation, that someone think you have done something good.