Portugal
Taxa applied to the mainland and islands postal service, except newspapers until 24.5.1928. After that used as normal stamp.
| Country: | Portugal |
| Type: | Postage stamps |
| Series: | Summer Olympic Games 1928 - Amsterdam |
| Nominal: | 15 c |
| Year: | 1928 |
| Material: | Smooth |
| Perforation: | line 12 |
| Mintage: | 1,900,000 |
Summer Olympic Games 1928 - Amsterdam
 Olympic Games- Amsterdam |  Postage Due - Olympia |