45: HELP US KEEP THIS PLACE CLEAN | B & O RR PORCELAIN SIGN

The Safety First campaign sign for the Baltimore and Ohio Railroad Company, blue over white porcelain enamel, angled upper right and left corners, made by Baltimore Enamel and Novelty Company (1898 - 1943).
Measures 10 x 14 inches.
Very good condition, noting minor edge and mounting hole loss of porcelain, grade 8.5.
Provenance: The Collection of Ed McHugh, Massillon, Ohio
$350 - $500