Spain
0.43 - 0.52$
price on 28.02.2023
Drawing of the Monastery of San Millán de Yuso (the below), La Rioja
| Country: | Spain |
| Type: | Postage stamps |
| Series: | World Heritage of Humanity (1999) |
| Nominal: | 35 Pta |
| Year: | 1999 |
| Size: | 40.9 x 28.8 mm |
| Perforation: | comb 12¾ x 12½ |
| Mintage: | 1,500,000 |
World Heritage of Humanity (1999)
 San Millán de Yuso Monastery 0.43$ |  San Millán de Suso Monastery 0.65$ |