hello I live in Louviers, I have found an English socket 20 mm cal k2 1944 I'm back there 3.5 km la mare corbet ) in the woods I have find 5 socket 303, two k1940 w I, one k 1942 wi, one k5 43 bviiz, one sr 44 bviiz and pieces of unknown metal, 20 mm in mare first and after all its 303 toward Louviers. English not combated in this same place not in 1940