Early EF HUTTON Sterling EMPLOYEE PIN BADGE: LA Stamp & Staty Co; Investor Services
About 5/8" diameter
EF Hutton is a historic stock brokerage firm originally founded in 1904 in San Francisco, famous for its cultural impact in the 1970s and 1980s. While the original firm was absorbed by competitors decades ago, the brand has been revived multiple times, most recently as a modern investment bank.
The back indicates LA S&S Co for Los Angeles Stamp & Staty (Stationery) Co.
They were a prominent manufacturer from the early 1900s through the mid-20th century, eventually going out of business circa 1960.