Philippines - 1854-1855 5c, negative cliché on celluloid in white on brown. One of only four negative clichés recorded and 15 Sperati items for this issue. (Image)

Philippines - 1854-1855 5c, glass support cliché in brown with reversed image; extremely rare with less than five thought to exist. (Image)

Philippines - 1875-1879 25m, glass support cliché in vermilion with reversed image, with notations at the base in Sperati's hand, very fine and rare with fewer than five in private hands. (Image)