This poster is part of a set of four posters made for the energy company 'Spar', whose name is spelled out of the steam coming out of the heater. The curving lines and blue-and-white color palette are typical of its artist's style.
Born in 1941, Per Arnoldi is a Danish designer and artist. He is represented in many museums across the world such as the Museum of Modern Art in New-York, the Victoria and Albert Museum in London, amongst others.
This poster is in good condition, small folding marks are visible on both copies. Ready to frame.