5 sets of buckles still on the purchase cards,Two sets are celluloid,others?

Description

New means it has never been used,but i have had these for years,I think they could be used in necklaces or bracelets,the big one is very unusual.Two are La Mode,Two are Streamline one is Crown original ,all are non sew.I was always going to do something with them.You will never see  another one like the striped one from 20's.