complete set of american industrial "unitype" letters and numbers used on bulletin boards across american during the 1930's and 40's. the wide assortment of letters are comprised of bent and folded thin steel with a backed black and white enameled finish. the majority of advertisements from period catalogs, journals and magazines focused on their use with the church community. "unitype" was the standard for church bulletin boards. the diminutive letters, numbers and punctuation marks are in great shape, considering age. priced for the entire lot. each letter measures 3/4 x 1 1/2 inches.