Acier was the second design by Cassandre released by Deberny & Peignot. A dual-color display typeface in two series, Noir (black, shown) and Gris (grey). See also Monotype 297 / 319.

Jean-Baptiste Levée’s revival maintains two optical sizes, and adds Solid, Outline, and Strokes fonts for the application of color effects. Originally released as Acier BAT with BAT in 2010 and moved to Production Type in 2017.