in florence from 1732 to 1735 natter had as patron gian gastone de' medici, grand duke of tuscany, for whom he made a portrait of the grand duke himself, and one of cardinal alessandro albani. in 1733 he made at florence a portrait-medal of charles sackville, earl of middlesex. this is signed l. natter f. florent. natter himself does not mention visiting the netherlands, but he was patronised by william iv of orange and his family, and made for them portraits in intaglio and portrait-medals. at this period natter was attacked by pierre-jean mariette in "traité des pierres gravées" (1750), as a self-conscious forger.