I'm assuming it's Dutch because of the windmill but I don't have a clue as to the round makers mark on the back.
I'm also at a loss regarding the composition. The fork has a specific gravity 9.35 - 9.34 - way below even .800 silver but higher than I think silverplate or "german silver" should be. There is a tiny "mark" in the upper window but I don't have a clue if it means anything
Comments are greatly appreciated

