My Cutlery

These are the pieces of my 45-piece cutlery set. I have eight butter knives, dinner forks, salad forks, big spoons, and little spoons. I also have one serving fork, one slotted serving spoon, one serving spoon, one grapefruit(?) spoon, and a knife thing that I'm not sure what it's for. Here's some closer looks at the knife:



Anyone want to tell me what it is?