20 CENTESIMI

I invite you to go to the issue introduction for the technical details. Of this set, besides the "usual" part (Fig. 1), a "not issued" part is also catalogued (Fig. 2).

Fig. 1: issued piece		Fig. 2: not issued piece

Catalogued color shades (as per Sassone) - issued

Blue (typical color)
Sky blue
Bright blue
Indigo
Greenish blue

Catalogued color shades (as per Sassone) - not issued

Indigo (typical color)
Dark blue