Vintage OPW Cincinnati Cast Iron Promotional Clipboard Hal Foster adding a layer of industrial

adding a layer of industrial and legal history that elevates the piece beyond standard ephemera

The surface bears minor enamel losses and light wear from handling

Twenty-piece pottery set in a warm brown glaze

throughout the mid-20th century

Vintage OPW Cincinnati Cast Iron Promotional Clipboard Hal Foster adding a layer of industrialc. 1930s 1940s; Ohio Pattern Works (OPW) Cincinnati, OH Cast metal advertising clipboard clamp featuring a raised OPW logo and "Cincinnati, Ohio" cast prominently across the face. The top is styled with an industrial fuel nozzle motif, tying directly to OPW's role in petroleum handling and service station equipment. The spring loaded clip mechanism remains intact, designed to secure papers or invoices, while the attached board shows a textured,