As well as exhibiting in his own right Sepp was also invited to exhibit at Group exhibits in Antwerp, Bucharest, Cologne, Zurich, Vienna and Salzburg together with Pablo Picasso, Salvadore Dali and Henry Moore recognizing Josef Schwarz’s as an important artist.

A self taught artist, he has specialised since the mid 50’s in astounding pen and ink works drawing from his imagination.  From 1968, he turned his talents evermore to woodblocks, developing his own unique style. Throughout his life he has also produced watercolours inspired by his travels through Israel, Corsica, Italy, England and France.