Set of 2 botanical plates cicutary and verbena

Botanical plates from geigy weed tables. These are boards with weeds for a manufacturer of phytosanitary products. Copyright of the 1970s. Very fine and detailed drawing. Very good general condition. Off-white background color (photos taken with a white background). Plates 57, 1 and 80.1 (cicutaire and verbena officinale) in the same color tones. The edges can be very slightly yellowed but it is very discreet (see photos). Very small very discreet spots (on the left, at the level of the frame for the cicutary, and at the top right for the verbena: see photos). Dimensions: 29.3 X 20.5 cm. Postal shipping in followed letter or mondial relay in a suitable rigid cardboard envelope. Do not hesitate to contact me for any questions.