The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
521. Basel. Bundesbahnhof. Extra Bromsilber. Xaver Frey. 1932
Basel. Bundesbahnhof. 521. Gare federale. Xaver Frey. 1926
Basel. Bundesbahnhof. Xaver Frey. B. Hopkins
Basel. Bundesbahnhof. Tobler. B. Hopkins
Basel. Bundesbahnhof
Basel. Bundesbahnhof. No 537. RP
Basel. Bundesbahnhof. G. Metz
Basel. Bundesbahnhof. G. Metz. 29895. 1908