I have a couple of pieceses from the WWI german u117 and we have no idea what they were on the sub. can anyone suggest where i can post pics and have someone identfy what they are for me. They came from my husbands great grand father who was on the "Prize Crew" and he was able to take these items and they have been passed down to us. would really like to know what one of the items is can anyone help me.