1910, Government Building, 15c slate, perforation 13½, block of four, usual centering and post office fresh, full OG, NH, fine and rare multiple, C.v. $5,000++, Sassone #36, C.v. €11,250 as imperforate block of four (Image)

1934 (July 25), In Honors of Duke of the Abruzzi, black or red overprints on definitive stamps of 10c-10L, complete set of seven used on cover from Massawa to Turin, arrival marking is on reverse, VF, C.v. $525, Sassone #213-19, C.v. €800 (Image)

Postage Due stamps. 1920, 5c orange and magenta, inverted numeral and black overprint ''Colonia Eritrea'', bottom sheet margin block of four, full OG, NH, F/VF and very scarce double error multiple, expertized by Dr. Bolaffi, G. Oliva and others, C.v. $2,200 as hinged singles, Sassone #14a, €6,000 as singles (Image)

1932, Dante Alighieri Society, stamps of Italy with black or red overprints ''Colonie Italiane'', complete set of 19 in left sheet margin blocks of four, postage and air post, including Leonardo da Vinci stamp, full OG, NH, VF, C.v. $466++, Sassone #11-22, A8- 14, C.v. €880 as singles (Image)

1932, Garibaldi issue, complete set of 17 in sheet margin blocks of six (3x2), postage, air post and air post special delivery stamps, post office fresh, full OG, NH, VF, C.v. $1,611, Sassone #1-10, A1-7, C.v. €2,400 as singles (Image)

1934, 2nd World Soccer Championships, complete set in sheet margin blocks of four, postage and air post, two stamps with tiny paper inclusion, post office fresh quality, full OG, NH, VF and rare set of multiples, C.v. $5,150++ ,Sassone #46-50, A31-37, C.v. €12,500 (Image)

1930, Virgil issue, four complete sets in sheet or corner sheet margin blocks of four, representing Italian stamps overprinted ''Cirenaica'', ''Eritrea'', ''Somalia'' and ''Tripolitania', the last one includes postage and air post issues, the total is 40 blocks, nice quality, full OG, NH, VF, Sassone C.v. €1,600 as singles (Image)

1941, Hitler and Mussolini, complete set of nine, right sheet margin blocks of four, postage and air post, full OG, NH, VF, Sassone #34-40, A20-21, C.v. €4,250++ (Image)

1918 (February 27), Military Pioneer Flight cover to Naples, written by Piero Maglione, a pilot of 133rd Air Squadron, franked by three King Victor Emmanuel III adhesives, tied by Posta Militare ds, two-line ''Per Aviatore Militare. Espresso'' violet marking, arrival ''2.3.18'' handstamp on reverse, mostly VF, Est. $150-$200 (Image)

1926, Dirigible Norge, Amundsen-Ellsworth-Nobile Transpolar Flight, complete perforated pane of 20 (5x4), bottom left stamp with inverted frame, full OG, NH, VF and rare multiple, Est. $800-$1,000 (Image)

1930, Trans-Atlantic Squadron, 7.70L deep blue and gray, nicely centered and very fresh, full OG, NH, VF, signed by A. Bolaffi, C.v. $900, Sassone #PA25, C.v. €1,100 (Image)

1930, Trans-Atlantic Squadron, 7.70L deep blue and gray, bottom left corner sheet margin block of four, printer's sign on selvage at lower left, perfectly centered and post office fresh, full OG, NH, VF and rare, A. Bolaffi guarantee hs and signed by him in pencil, C.v. $3,600 as singles, Sassone #PA25, C.v. €5,500 (Image)

1988, National Soccer Championships, ''Milan Blue'', 650L multicolored with yellow color omitted, left sheet margin single, background of the text and marginal control inscription in blue instead of green, perfect quality, full OG, NH, VF and rare, Dr. H. Avi certificate, Sassone #1836a, priced with ''-'', Bolaffi #1954B, C.v. $€27,500, Est. $750-$1,000 (Image)

Rocket Flights. 1934 (October 31), Gerhard Zucker Trieste Experimental Flight, postcard and cover addressed to Germany, franked by two or one Military Medal stamps, bearing one or two semi-official rocket labels, each has two confirmation markings, mostly VF, Est. $200-$300 (Image)

1934, Centenary of the Medal of Valor, 2.55+2L brownish carmine, bottom sheet margin single imperforate at the bottom, a gorgeous stamp, full OG, NH, VF, Sassone #89a, C.v. €4,000 as hinged (Image)

1942, red surcharge ''Governatorato del Montenegro. Valore in Lire'' on Yugoslavian air post stamp of 5d lilac, broken ''G'' and ''t'' almost omitted in ''Governatorato'' (position 18 of 20-stamp setting), full OG, NH, fine and rare, K. Ceremuga certificate, only 25 such errors possible, Sassone #PA22e, C.v. €2,000 (Image)

1942, red surcharge ''Governatorato del Montenegro. Valore in Lire'' on Yugoslavian air post stamp of 10d brown red, broken ''G'' and ''t'' almost omitted in ''Governatorato'' (position 18 of 20-stamp setting), full OG, NH, F/VF, only 25 such errors possible, K. Ceremuga certificate, Sassone #PA23e, C.v. €2,000 (Image)

1943, Airplane over Mountains, 1L ultra, top sheet margin single imperforate at top, very light fold between stamp and margin, full OG, NH, VF, K. Ceremuga certificate, Sassone #PA27b, €1,000 (Image)

1951, Centenary of Tuscany's first stamps, black overprint ''AMG-FTT'' on 20L and 55L, complete set in blocks of four, full OG, NH, VF, Sassone 108-09, C.v. €450, Est. $100-$120 (Image)

1952, Armed Forces Day, inverted black overprint ''AMG FTT'' on 60L black and blue, right sheet margin single, full OG, NH, VF, Sassone #159a, €5,000 (Image)

Parcel Post stamps. 1947-48, Italian Parcel Post stamps, two-line black overprint ''A.M.G. F.T.T.'', 1L-500L, complete set of 12, full/large part of OG, LH or previously hinged, F/VF, C.v. $1,201 as hinged (Image)

Parcel Post stamps. 1947-48, black two-line overprint ''A.M.G. F.T.T.'' on 100L blue, perforation 13¼, top sheet margin stamp with upper perforation strongly shifted to the design, partial double vertical perforation at sides, between stamp and label, pin-point inclusion at the margin far away from the stamp, full OG, NH, VF, Sassone #9/Ii, C.v. €4,000 (Image)

Parcel Post stamps. 1950, black straight line overprint ''AMG-FTT'' on 100L blue, top sheet margin vertical strip of three, middle stamp with double perforation, full OG, NH, VF, Sassone #22s, €2,600++ (Image)

1952, Helsinki Olympic Games, 5d-100d, imperforate complete set of six, all with sheet margins, full OG, LH, VF and scarce, C.v. $950 as never hinged, Sassone #56-61, C.v. €3,500 (Image)

Postal Tax stamps. 1953, Red Cross issue, Child and Nurse, blue overprint STT/VUJNA on 2d orange brown and red, horizontal pair with cross is printed twice variety, full OG, NH, VF, expert's sign, Sassone #93a, €500++ (Image)