Metal stamping wood has long been a thing. Quality inspection markings on gun stocks generally stamped. Like on this Smith Carbine.
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I don't have a big Civil War firearm collection, but wanted a decent-looking Smith carbine for a couple reasons. First, I grew up only a few miles from where they were made. Secondly, they were originally issued to the First Massachusetts Cavalry Regiment, a couple companies of which were...
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As previously noted, the stamp of the name on the Smith Carbine you provided, appears to be that of a private individual marking his property. I wouldn't know how to date one of these stamps other than the letter font used.
The stamps were sold mail order... and you can still get them.
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Trenton Evening Times, NJ, 3-19-1909.