Acier font - typeface family by Production Type - Fontstand. Designed by Cassandre (born Adolphe-Jean Mouron, 1901-1968) in 1930, Acier was the second design by the legendary artist to be published by the Deberny Peignot foundry. As a dual-color display typeface, designed in two series (Noir and Gris), Acier is, according to Jérôme Peignot, a