A. Robinson n°6 (III/V). Good impression of the 3rd state (of 5), before new small works; of the 3rd; 4th or 5th edition (1747-1748). Marginal holes; creases and small stain; a small skinned paper. Watermark “%”, cf Robinson n°47 (1747-1748). Plate of a set of sixteen “Prime parte di Architecture e Prospettive”. Wide margins.