The exact source is unknown, but the portrait originated from a 16th-century painting in the Gallery of Monsignor Badia in Rome. Inscription: Marcus Polus venetus totius orbis et Indie peregrator primus. It appears in the Nordisk familjebokBerg 1915, 1261쪽 괄호 없는 하버드 인용 error: 대상 없음: CITEREFBerg1915 (help)
