. English: Trouble in the classroom. Signed and inscribed Aug. Heyn. München . Oil on canvas, 87 x cm . by 1920. August Heyn (1831-1920) 63 August Heyn Trouble in the classroom

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Size: 2000px × 2500px
Photo credit: © The Picture Art Collection / Alamy / Afripics
License: Licensed
Model Released: No

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