Advocate Security Officer Badge 

Advocate Security Officer Badge, Norwalk, California, circa mid 1970's, measures approximately 2 1/4 inches x 2 7/8 inches, maker marked Sun Badge Co. L.A. County.  $115.00 or TRADE.

Consolidated Hat Badge

Consolidated hat badge, good used condition, maker marked Sun Badge Co. Los Angeles.  $50.00 or TRADE.

Private Patrol Hat Badge 

Private Patrol hat badge, good used condition.  $35.00 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.