Sassone P25, 1930 7.70L Balbo Rome to Rio de Janeiro Flight, Imperforate plate proof, Pos 41-42 / 46-47 lower left corner margin block of four in issued colors on ungummed unwatermarked paper, fresh and Extremely Fine; each value signed A Diena and Bolaffi (Sassone EUR7,400) (Image 2) (Image)

CV. Starting Price 1,500

C27, C27a, 1930 7.70L Balbo Rome to Rio de Janeiro Flight, full mint sheet of 50 with pos 22 the «Seven Stars» variety, «6586» in right margin, fresh color, stamps NH, some small hinge remainders in the top margin, light horizontal fold in center of sheet, Very Fine, a stunning sheet (Scott $48,100 as singles; Sassone Aerea 25, 25a, EUR60,000) (Image)

CV. Starting Price 15,000