Etching, burin and drypoint. Very rare first state, first edition published by Giovanni Bouchard. Plate III from “Invenzioni capric di carceri all acqua forte” original title of the famous “Carceri”. In the second definitive edition of the “Carceri d’invenzione”, the plate becomes Nr. IV (see Robison 31). Good impression in dark ink, wide margins except on left hand side (4 mm). Verso with little glue traces. Robison 31.