The front of the badge has a portrait of the composer Gustav Mahler.
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Gustav Mahler: Symphonies 1–9
1970 Leningrad Philharmonic Orchestra Symphony No 3 Gustav Mahler USSR program
BBC Proms Tuesday 30th August 2016 Programme - Gustav Mahler Jungedorchester
Gustav Mahler: Symphonies 1-10 (Boxed Set)
vidaXL Badge Button Maker With 500 Pcs Pinback Button Parts 25mm, Red
