Pianta del sito della Piazza fatta per alzare la guglia.... Copper engraving of 1586, reprinted in 1724 by Rutgert Alberts. Measurement of the engraved part 50 x 36.7 cm. Show the plan of worker positions by the architect Domenico Fontana to erect the obelisk on St. Peter's Square at the Vatican. The print is in excellent condition, printed on laid paper with watermark "F". Engraved by Natale Bonifacio (Sibenik, 23 December 1538 - Sibenik, February 23, 1592), was a carver and engraver Dalmatian.