Ultimate Studebaker Packard Worthington Stock Certificate Collection Set of 2. Studebaker-Packard Corporation. Studebaker-Worthington. Two original stock certificates. Attractive certificates with beautiful vignettes. Studebaker Corporation, was a United States automobile manufacturer based in South Bend, Indiana. Founded in 1852 and incorporated in 1868. Studebaker entered the automotive business in 1902 with.....