https://galeriehaas.com/news/jakob-mattner-at-kunstraum-friesenstrasse/
Jakob Mattner at kunstraum friesenstrasse - Galerie Michael Haas
jakob mattnergalerie michaelkunstraumhaas
https://www.artrabbit.com/events/almut-heise-jakob-mattner
Almut Heise / Jakob Mattner - Exhibition at Galerie Michael Haas in Berlin
Galerie Michael Haas presents paintings and works on paper by the Hamburg artist Almut Heise spanning 4 decades and works by Jakob Mattner created between 1978...
jakob mattnergalerie michaelin berlinheiseexhibition