Appears to be made of copper. Size: 4-1/2 by 3-1/2 inches
Embossed (raised) script and signature of Chief Mitchell, circa 1948 1949 1950 2-Sided GREEN & BLACK
NOTICE
A resolution of the Honorable Police Commission of the
City & County of San Francisco requires the display of
this certificate in full view in the lower right-hand corner
of the windshield at all times while vehicle is in operation
as a taxi cab.
Authorized by the order of MICHAEL E. MITCHELL
Chief of Police
Green side of plaque:
SAN FRANCISCO POLICE DEPARTMENT
Certificate of Authorization to operate taxicab number
under the regulations of the Police Code and the rules of
the Police Commission
>>>>>> Historical police / transportation collectible - CALIFORNIA

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