DescriptionSign plate: Property of City of Hoboken, N.J. Chapter of the National Foundation for Infantile Paralysis, Inc. No date, circa 1938-1979. Etched metal with black paint background, 1-1/2" x 8" wide. 3 each. Lettering is slightly raised so it appears the the background was etched (back is smooth so lettering was not embossed.) Use for item is not known, but it may have been used as identification on boxes or some other container for collecting money donations for the organization (also known as the "March of Dimes.")