The above two photographs show the top and rear views of the keywork on a Yamaha YPC62 Wood Piccolo. The keywork is nickel silver and incorporates a split E mechanism which is standard on this model
The above photograph and notes are as accurate as my knowledge of the subject permits
If anything above is factually incorrect, or if anyone can usefully improve or add to the above notes then please feel free to email me at john@fluteweb.net