Special Delivery stamps. 1921, Expres, 30c blue and rose, horizontal pair imperforated between stamps, nice and fresh, full OG, NH, VF, Sassone #3h, C.v. €5,500 (Image)

Special Delivery stamps. 1921, Espresso, 50c rose red and brown, bottom sheet margin vertical pair imperforated between stamps, fresh quality, full OG, NH, F/VF, expertized by Dr. G. Bolaffi, Sassone #4g, C.v. €5,500 (Image)

Special Delivery stamps. 1926-29, Espresso, inverted blue surcharge (with 5 bars at bottom) 1.25L on 60c dark red and brown, perforation 11, usual centering, but bold colors and fresh quality, full OG, LH, fine and very scarce, Raybaudi certificate, Sassone #12b, €6,000 (Image)