André Juillard Blake & Mortimer in Brussels The yellow mark Screenprint No. 2 (Explanations of the print) numbered out of 100 copies signed by the author No. 09 / 100 Publisher: International Archives Certificate of authenticity stamp on the back of the screen print 35 X 33 cm with an illustrated layer 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