I’m guessing it’s antique by the look of the mouthpiece and the design around the top of the body–you just don’t see much of that sort of attention to detail any more…
I e-mailed a question to the seller and she said the whistle was 8 3/4" long, making it quite a bit higher in pitch than either Hubby or the cat would tolerate (they’d both be yowling blody murder, LOL). But just in case anyone here is interested, I thought I’d toss this out here, so…here you go…