Portugal
Automatically generated translation
Yvert 154(4),155/56(2),157(3),158. 1910. 2½ kings, four stamps, 5 kings, two stamps, 10 kings, two stamps, 15 kings, three stamps and 20 kings, all applied to the back. Certificate from COIMBRA to ZUG (SWITZERLAND). On the back arrival. MAGNIFICENT AND RARE POSTAGE.