Made by Filmotype in the early 1960s. Maxwell is a wider and bolder style, Mason is narrow and bold, while Newton is extrabold. Copied by VGC as M-15 [VGC 1969], by Lettergraphics as 58-2 OM [Lettergraphics 1976], and by Typeshop as Masonia. [Typeshop c.1977]

Photoscript showed Omaha as Mason and vice versa [Photoscript 1968].