Lithograph Handsigned by the artist in pencil and numbered 43/75 74.00 cm. x 56.00 cm. 29.13 in. x 22.05 in. (paper) 58.50 cm. x 47.50 cm. 23.03 in. x 18.7 in. (image) Certificate of authenticity LCD7199 This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution