Designed by Alessandro Butti and produced in 1937 in two cursive styles, Neretta (bold) and Nera (black). [Tallone] Officially released after the war, in 1951. [Reichardt] Some sources (co-)credit Aldo Novarese. [MyFonts]
Monotype digitized only the heavy weight, while Ralph M. Unger revived both as Butti.