Set of 2 botanical plates Omblette and Orobranche du trèfle

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 60.4 and 96.1 (omblette and orobranche of clover) in the same color tones. Small very discreet spots at the bottom of the page for the orobranch and at the right edge for the umbel, extremely discreet (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.