Portugal
2.6 - 3.2$
price on 07.05.2023
| Country: | Portugal |
| Type: | Postage stamps |
| Series: | 50th anniversary, Portuguese Society of Writers |
| Nominal: | 20 $ |
| Year: | 1976 |
| Material: | Phosphorescent Enamel |
| Size: | 41 x 27 mm |
| Perforation: | comb 12 |
| Mintage: | 400,000 |
50th anniversary, Portuguese Society of Writers
 Pen Nib as Plowshare 0.15$ |  Pen Nib as Plowshare 2.6$ |