Original Vintage 1970s Austrian Art Exhibition Poster For Dieter Barth & Sepp Frey

An original vintage poster for a joint 1977 exhibition of works by german and austrian artists, respectively, dieter r. Barth (1943-) and sepp frey (1925-2012) at the kammerhof gallery in gmunden, austria. The poster features silhouettes of the artists, and is printed in dark brown on light brown parcel paper. The poster has some small kinks to the paper (see last photograph), but otherwise near-perfect.