Vintage Acme England dog whistle trainer

Vintage ACME England, dog whistle This is New. I never used it ! I found it the other day in the box in my closet . It’s quite a few years old but has been kept sealed up. This dog whistle is made extremely well with a cap, and the whistle itself is adjustable . The whistle can range from silent to a high pitch sound that you can hear Please look at all pictures and ask questions Don’t like the price make me an offer