Bonsa switchblade

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PaulHerron
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Joined: Fri Jun 21, 2019 2:01 pm

Bonsa switchblade

Postby PaulHerron » Thu Aug 15, 2019 4:55 am

I have a Bonsa switchblade or lever knife and I would like to know what time frame it was mfg. It has bone handles and the front tang is stamped Bonsa over Soligen over Germany. The back tang is stamped D B G M over Rostifrei. I would like to know if it is a common model or a hard to find collectible model. I would appreciate any info.[image][/image]
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kootenay joe
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Re: Bonsa switchblade

Postby kootenay joe » Thu Aug 15, 2019 6:37 am

That style of knife is sometimes called a "Springer" and all Springers are quite collectible. In general Bonsa is not a brand that has much collector interest but for this knife, the pattern, (Springer) is more important than the maker. As to age, i don't know. "D.B.G.M." might be a clue. I think it is a reference to a patent. Hopefully someone who knows will post.
kj

PaulHerron
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Joined: Fri Jun 21, 2019 2:01 pm

Re: Bonsa switchblade

Postby PaulHerron » Thu Aug 15, 2019 11:39 am

Thanks Friend!

doglegg
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Re: Bonsa switchblade

Postby doglegg » Thu Aug 15, 2019 2:11 pm

I have read that D R G M, was a mark used by German manufacturers in registering their product in all the German states. Not really a patent date but kind of like that but only applicable with in Germany. They used it on lots of products, toys, knives etc. ::tu::

PaulHerron
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Joined: Fri Jun 21, 2019 2:01 pm

Re: Bonsa switchblade

Postby PaulHerron » Thu Aug 15, 2019 2:25 pm

Ok man, I appreciate that!

keiser
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Joined: Sun Aug 18, 2019 2:07 am

Re: Bonsa switchblade

Postby keiser » Tue Aug 20, 2019 2:06 pm

The stamp on the knife refers to: Deutsches Reichsgebrauchsmuster ( D.R.B.M. ) This is the registered Patent/trademark that you will see on a lot of German knives.


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