San Francisco Special Police N. Z. badge made of sterling and beautifully hand engraved. Made by Wirth & Jachens circa 1886.
Detective Sergeant badge #17 worn by Eugene R. Wall who joined the department on 10/9/1891. By 1910 he rose to the rank of Captain of Detectives. Hallmarked Wirth & Jachens 1900-1906.
Wirth & Jachens S. F.
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