HANS HARTUNG P1970-5 1970 acrylics on cardboard signature and date on the lower right hand side on the back 60x80 provenance: Artist's Studio, Meneghini Art Gallery, Auction Fidesarte Mestre 2011, private collection Certificate of authenticity by Galleria d'Arte Meneghini Venezia Mestre; confirmation of authenticity by email by Hans Hartung Foundation bibliography: G. Marchiori, Personal exhibition of Hans Hartung, Galleria Meneghini Mestre 1973 with stamp and signature of Meneghini