Help with any information about this belt

I would really appreciate anything you can tell me about this concho belt. Appears obviously old, the picture doesn’t show the great patina. As you can see, there’s a lot of interesting stamping and the hallmark (?) “OSAKI” is stamped on the back. I haven’t been able to find anything at all relating to Osaki. Thanks for looking.


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This is stamped on the back? or etched? could you possibly take a picture of that for me, thanks.

Picture is terrible but I think it gives the general idea. OSAKI is stamped, not etched. Thanks so much, Jason. I’d be interested in anything you might come up with, age, value, whatever.


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What is that under “OSAKI”? This is very interesting

“Sterling” is right below “OSAKI.” Love a good mystery!

This is a little short on detail, but if the person is still reading the forum after this long, might be of some interest: Harry Osaki - American Modernist Jewelry