80 CENTESIMI
Please go to the introduction of the issue itself for the general info. I want to outline here how this stamp on envelope is one of the unrealizable dreams of a collector... but even as single it's not a joke (on envelope we are aware of less than 20 pieces).
Fig.
1:
80 centesimi
Catalogued color shades (as per Sassone)
Bistre orange (typical color)
Brown orange