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Antonio Gherardi Design for an Altar Google Art Project. Rieti Rome Antonio Gherardi Antonio Gherardi Museum Kunstpalast Dsseldorf smkp de Feder in Braun ber Spurenschwarzer Kreide braun laviert False KA FP smkp de Museum Kunstpalast Dsseldorf Sammlung der Kunstakademie NRW photo Horst Kolberg Neuss Pen