✅ SOLVED Mystery pewter object!

[Fossils]

A mystery pewter object found in a New England woods. The size and shape of a thimble, but with no opening. One side is marked “JAPAN” the other side has a K emblem in a diamond. Any thoughts? Thanks.

 

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[Robot]

Hi Fossils,
I sense it to be a Japanese diffuser lid to a vertical incense burner?

 

[Bramblefind]

I think it is a "siren whistle" -- the below isn't exact but it is getting close. I've found others by the same company with the K in the Diamond mark.

VTG. Cast Aluminum Air Raid Pistol Siren Toy Whistle~Japan~cold war era | #1888211343

Here is a great little metal pistol siren. Made in Japan in the 50's, this little whistle sound like a high pitched air raid siren when blown into from its bottom. Good vintage, working condition~~Goo

www.worthpoint.com

 

[Fourman110]

Bramblefind nailed it. I kept thinking those holes on the bottom looked familiar and it was! I found a Jack Armstrong All American Boy radio serial ring (send in boxtops and get the ring plus a secret code). It has the same pattern. If it cleans up, you can blow into the top (those 6 holes). https://www.ebay.com/itm/175361342547

 

[Fossils]

I think it is a "siren whistle" -- the below isn't exact but it is getting close. I've found others by the same company with the K in the Diamond mark.

VTG. Cast Aluminum Air Raid Pistol Siren Toy Whistle~Japan~cold war era | #1888211343

Here is a great little metal pistol siren. Made in Japan in the 50's, this little whistle sound like a high pitched air raid siren when blown into from its bottom. Good vintage, working condition~~Goo

www.worthpoint.com

Looks like a perfect match. Thanks so much! I'm marking this one as solved.