It is not Bakelite, which wasn't invented until 1907.
The material is gutta percha, a resin from Southeast Asia, which when warmed would be formed, stamped, etc. Then it would harden.
In that serial range, H grade guns were often seen with a plain black insert. And G and F grade guns were often seen with a dog's head stamped in that.
But variations abound.
NDG
Last edited by Nick de Guerre; 10-11-2020 at 09:16 PM..
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