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Keywords from Image Description:
Mayer Lopold Ernest ca. Pierson Pierre Louis Marchio di fabbrica. Lopold Ernest Mayer ca Pierre Louis Pierson Marchio di fabbrica Lopold Ernest Mayer ca Pierre Louis Pierson Trade mark Lopold Ernest Mayer ca Pierre Louis Pierson Marque de fabrication PDold Lopold Ernest Mayer Pierre Louis Pierson Trademarks of early