Saar, 1933, Zeppelin Saar Flight. Lovely card with printed Zeppelin cachet, franked with 5fr brown Airpost, tied by Saarbruchen cds 24.6.33, with turquoise flight cachet and 25.6.33 fancy Friedrichshafen cds, and 27.VI.33 Rotterdam receiver. Sieger No. 218.B). Scott No. C4  Estimate $300 - 400. $0 (Image)