At Spiegelgasse 14, Wladimir Iljitsch Lenin lived with his wife from 21st.Feb. 1916 till 2nd April 1917, before he returned to Petrograd / St. Petersburg where the February Revolution had broken out in Feb. 1917.

See also https://en.wikipedia.org/wiki/Vladimir_Lenin

In the Fashion Boutique was in earlier days the butcher Pius Ruff. The inside of the former butcher shop is wonderfully decorated.