R.S Hutchings The Western Heritage of Type Design, Cory, Adams & Mackay.1963
One of the very first Sans Serif shadow fonts, this typeface was designed by Herbert Post for Berthold AG. Depending on source Plastica was released in 1929-30 or in 1932. This style of shadow font was popular through the "Moderne" era. Berthold was a leading type foundry in Germany, founded in 1858 and only closing in 1993- the beginning of the digital era.