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View of the Spalenthor in Basel, with its clock and patterned roof, dated 19036. Printed text: 'Das Spalenthor.' and 'Gruss aus Basel.' on the front. Reverse: Swiss 3-centime stamp, obliteration stamp 'BÂLE 23.JUL.31', address to 'M. H. Bellard, Châlet du Boitelet, Louvain (Brussels)', and hotel Victoria stamp in Basel.