Text from 1961 Advertisement:
(Ward's Automotive Yearbook)

Let us carry them for you

No need for you to tie up money and valuable space. Libbey-Owens-Ford distributors can supply L-O-F Safety Glass, same day or overnight, from one of 284 warehouse inventories throughout the U.S. L-O-F is the kind of glass you want for customer satisfaction. The best-known name in safety glass. Nationally advertised since most of your customers were kids. And original equipment in almost half the cars on the road. So call your L-O-F Safety Glass Distributor. He's listed under "Glass --- Automobile" in the Yellow Pages. Prompt delivery assured. Libbey-Owens-Ford, Toledo, Ohio 43624

First in Original Equipment . . . Best in Replacement