FINE. A VERY RARE BLOCK OF THE 1931 50K AIR POST ERROR OF COLOR.
While singles of this error come up with some regularity, blocks are almost never offered.
Scott $3,600.00 (as singles). Zagorsky $16,000 (as a block)
FRESH AND VERY FINE. THE 1931 50K ERROR OF COLOR IS RARELY SEEN PROPERLY USED ON COVER.
VERY FINE CORNER SELVAGE BLOCK OF THE 20-LIRA ON 3-LIRA ZEPPELIN IN CARMINE INSTEAD OF THE ISSUED GREEN.
Only 200 printed. Each signed Raybaudi, Sassone €8,000 (as singles)