✅ SOLVED Help Please

[1amateur]

I found the object on a deceased relative's deserted homestead in British Columbia. Object was located where his cabin was burned in 1939.
This brass part we thought was perhaps a cover for an access hole for lighting a gas lantern, but someone that deals in antique Coleman Lamps has never seen anything like this. Coleman had made some special Lamps for the US Forest service in the ‘30’s, and apparently some for Canada too.
Diameter is 1-1/16 inch.
The buttons on each side are spring loaded, and when squeezed, the retainer tabs move inward. Maybe it’s for a different brand of lamp or?

Inscribed around the outside is: SAVE THE FOREST
and on the center bar is: FOREST SERVICE CANADA

Any assistance identifying would be appreciated.

 

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[diggummup]

I know that around 1900-1910 the Canadian Forest Service motto was "Save the Forest". Here in the U.S. it was "Use the wood, save the forest". It does look lantern or burner related. That's all I got.

 

[1amateur]

Thanks very much for showing interest and responding. I'm still searching though....

 

[diggummup]

I'm surprised nobody else has chimed in. That type piece looks sort of familiar for some reason (minus the markings on it), I just can't place it. What's the side view look like? How tall does the squeezable part sit, I guess is what I mean?

 

[1amateur]

The center 'rib' sticks up about 1/4 inch. I'll post a side view shortly.
Thanks again.

 

[1amateur]

The material is not sturdy, it would not take too much wear and tear, although it survived being buried the last hundred years or so.

 

[1amateur]

I want to pass on my thanks for all that have had a look at this. Information from another source tells me that this is a "WIND GUARD" for a tobacco pipe [fits on top of the bowl] - to stop flying embers, and to make the pipe 'more smokable' during wind.
Thanks again,
Dave

PS forgot to mention the tabs should stick straight out of the bottom, not lie flat. Here's a link to a current version

http://www.gqtobaccos.com/accessories/pipe-wind-cap-white-cross/#.Uvkq9rTjFpZ

 

[diggummup]

Good research by someone. Thanks for the update.