Acrylic Glas Plexiglas XL 1941 German ad Rohm & Haas Darmstadt advertising
" Plexiglas (acrylic glass). Chemical Factory Rohm & Haas, Darmstadt. ". Darmstadt ". " Plexiglas. Chemische Fabrik Röhm & Haas. It is no photocopy or reprint but a1941 printed and published ad, a wonderful historical collectible.