Charles Eckhart Company
Настоящее имя: Charles Eckhart Company
The Charles G. Eckhart Company was a metal work company with manufacturing services for Masters, Mothers and Stampers.
In operation circa 1940 thru circa 1955. The company also had a label "Studiodisc" that is known to have made audio letters for servicemen during WWII.
Their metal work can be identified by [E Fully Enclosed in <> stamped.
4880 Santa Monica Blvd
Los Angeles, 27, CA.