Bouasse-Lebel educational board at the end of the 19th Natural History Insects

Natural history, insects (orthopters, hemipteras, nevroptera, mymenoptera). Educational plank no. 182 of the encyclopedia bouasse-lebel (printer publisher) watercoloured by hand and period at the end of the 19th century. The board is formerly glued to a strong cardboard frame in a varnished oak frame. Two old small suspension holes, a few spots, superficial scratches and small defects does not detract from the charm of this board.