Dinamarca. Aéreo
Automatically generated translation
Yvert 8(2). 1950. 20 green ore, two stamps. COPENHAGEN to MADRID. On the front (and on the back) it marks 1.SAS-FLIGHT / COPENHAGEN-MADRID / 4-17-1950, in red, arrival in Madrid and return mark RETURNED / TO ITS ORIGIN / RETOUR / TO THE ENVOYEUR. MAGNIFICENT AND RARE.