This is a rare, old, valuable Pinkerton’s May 17, 2013 Antique Advertising Signs, Miscellaneous Advertising Antiques More items in Antique Advertising Signs Foster's Freeze Sign Conoco Double-Sided Porcelain Curb Sign Mobilgas Double-Sided Porcelain Shield-Shape Sign More items in Miscellaneous Advertising Antiques Toy Gun Collection Vintage Cash Register Vintage Cash Register