Harfe. 1931. Drypoint. Helliesen/Sørensen 407. Signed and inscribed "Selbstdruck". Self-made print aside from the edition of 9 copies. On smooth wove paper. 60 x 40 cm (23.6 x 15.7 in). Sheet: 65,6 x 46,5 cm ( 28,8 x 18,3 in).
Offered on the international auction market for the first time. Another copy is in possession of the National Museum for Art, Architecture and Design in Oslo. (Source:www.artnet.com).
PROVENANCE: Private collection North Rhine-Westphalia.