Highly regarded German conductor (1886–1954) who became embroiled in controversy with the rise of the Third Reich. Though vehemently anti-Hitler, he was widely viewed as a Nazi sympathizer, which severely impacted his career. Vintage ink signature, “Wilhelm Furtwangler,” on the reverse of a 5.5 x 3.5 picture postcard of the lobby of the Great Northern Hotel, with several other unknown signatures and notations around signature. In fine condition, with light postmarks touching first and last letter of signature and a couple corner creases. RR Auction COA.