The clear title of this plate - Uffiziale di cavalleria - is at odds with the one I posted above!
http://fotki.yandex.ru/next/users/pasha2777/album/133304/view/449673?page=3
From: "1816. Costumi Militari - Ferdinando IV":
http://fotki.yandex.ru/users/pasha2777/album/133304
Which was borrowed from the Anne S. K. Brown Military Collection::