Portugal
0.64 - 0.77$
price on 07.05.2023
May 1st - Labour Day
| Country: | Portugal |
| Type: | Postage stamps |
| Series: | May 1st - Labour Day |
| Nominal: | 25.50 $ |
| Year: | 1981 |
| Material: | Esmaltado With phosphorescent band |
| Perforation: | comb 12 x 12½ |
| Mintage: | 2,000,000 |
May 1st - Labour Day
 May Day-Agriculture 0.1$ |  May Day- Industry 0.64$ |