Deputy Authorized Detective State of California badge #7 is made by Irvine & Jachens 1027 Market St. S.F.Â This hallmark was used from 1910-1925.
The California Bureau of Investigation (CBI), was established in 1918 as the California Bureau of Criminal Identification and Investigation (CBCII). CBCII, along with the disbanded California Bureau of Narcotic Enforcement (BNE) which was created in 1927 (the remainder of BNE merged with CBI in 2012), provided the state with its initial criminal investigative law enforcement capabilities and is considered the direct predecessor to the modern day CBI.
Circa 1870 Hawaiian Detective Bureau. This badge preceeds thew creation of a Hawaii government Investigative Bureau.