McCoy's Market California Police Patrolman Badge 

McCoys Market California Police Patrolman Badge, measures approximately 2 1/8 inches x 3 inches.  $325.00 or Trade.

Scientific Data Systems Plant Protection Officer Badge 

Scientific Data Systems Plant Protection Officer Badge, Los Angeles, El Segundo, Santa Monica, Hawthorne, circa 1961-1968 Measures approximately 2 1/8 inches x 3 inches.  $175.00 or TRADE!.
Scientific Data Systems - Wikipedia

Stovall's Security Service Badge California

Stovall's Security Service California Badge, circa 1970's, Fresno, California.  Measures approximately 3 inches. 
$95.00 or TRADE.

ULLS Security Officer Badge 

ULLS Security Officer Badge, measures approximately 2 1/4 inches x 3 1/4 inches, maker marked Sun Badge Co. San Dimas CA "O"  $115.00 or TRADE.

Western States Industrial Security California Badge Set

Western States Industrial Security Sergeant, Los Angeles, California Badge set, circa 1966, maker marked Entenmann Los Angeles 15.  Shirt badges measures approximately 2 7/8 inches x 2 7/8 inches.  $135.00 or TRADE.