One of the interior design challenges Ehrlich faced was to find a place in which to display an object which was allegedly the shrunken head of an executed inmate, which had been gifted to the commandant of Buchenwald Karl Otto Koch by the SS guards.
Whilst in his interior settings, Ehrlich accommodated the SS taste for rustic style, when he was asked to fashion a decorate plaque for the camp gates, Ehrlich reverted to a more modernist style. The sans serif typeface Ehrlich conceived for
