Rarely played, comes with case. This whistle includes Michael’s thumb hole for a fast C natural fingering. If you prefer cross-fingering you can just tape the hole.
I'm not a whistle player myself, but I know people who are, so if I can't answer your questions I can find someone who can.
$150 + shipping
https://photos.app.goo.gl/tPpNuQYkHzDgJHSM7
https://photos.app.goo.gl/vuWFkQ7sP6oi55VJ9