Image Missing: Hearst Museum object titled Notgeld: 20 heller, accession number 7-9854, described as Currency (notgeld: emergency wartime currency), kassenchein: treasury bill/bank note, paper; 20 Heller; blue on white background. Obverse: town scene; Reverse: cancellation stamp. Dated 1 June 1920, valid through 31 December 1920; length 7.3 cm; width 5.5 cm. Serial number: SERIAL.