Porcelain on embossed steel, circa 1950. Hunterdon County Route 512 is still a very scenic drive today. I love these early embossed county route shields, and I’d really like to find a Passaic County example someday.
The blurry stamp on back reads:
L. B. SEELY CO.
Eatontown, N. J.
FERRO ENAMELING CO.