Original image
Used cover from Siegendorf (Austria) to Vienna (Austria) on 23 May 1961, balloon mail, franked with the Austrian stamp 1.50 Schilling "Tirol" Michel 1067, with 2 special cancellations "Luposta Ballonpost" and the local postmark "Siegendorf 1 a 23.5.61-17"
Country
Austria
Year
SKU
PMAT-ANK-1084-1-UCO
€ 5,00