Schmidbauer, Ludwig Gottfried (Würzburg 1890 - 1974 Kirchberg), "Instandsetzen des Martin-Ofen", lithograph, signed, dat. (19)31 and titled, monogr. and dated in the stone, 48,5 x 41 cm (mat cut-out), lower part of the image signed and dated. Glass framed, overall size: 72,5 x 63,5 cm, 4270 - 0015

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