I have a coins and i am trying to find out if they are worth anything. please help me out.?

one is about the size of a dimeand says repvbliqve on the left side and francaise on the right with a face in the middle that has something going around the forehead. on the otherside it says liberte egalite fraternite 50 centimes 1941. i have another one that sayselizabeth II dei gratia regina on the front with a picture of a ladys head and on the back there is a picture of an elk's head and it says 25 cents 1964, this one is the size of a quarter. I have another one that is the size of a quarter but is as thick as a nickel that says carl xvi gustaf sverige 1977 and some guys head in the middle and on the back it says for sverice i tiden and 1 kr on the bottom in the middle there are 3 small crowns on a sheild and one large crown on the top of the sheild. last i have a coin that says one penny on it but its the size of a half dollor and has a viking holding a pitch fork on the frontand says 1939. the otherside says georgivs vi d: g: br:omn :rex f: d:ind:imp. with a mans face in the middle faceing left.