Botanical plate Geigy, Ceraistre

Botanical board from geigy weed tables. These are boards with weeds for a manufacturer of plant protection products. Copyright from the 1970s. Very fine and detailed drawing. Very good general condition, very very discreet traces of time. Off-white background, photographs taken on a white background. Plate 28.1 cerastium triviale (grass ceraistre) dimensions: 29, 3 X 20, 5 cm. Postal shipment in letter followed in adapted cardboard envelope. Do not hesitate to contact me for any questions.