RECTO: MUSICIANS PLAYING BEHIND A BALUSTRADE FOR A PAIR OF DANCERS; VERSO: TWO STUDIES AFTER ANTIQUE SCULPTURES OF TORSOS-DUTCH-CARAVAGGIST-EARLY-17TH-CENTURY- (RECTO:音乐家在栏杆后面为一对舞者演奏;维索:对托索斯古董雕塑的两项研究-荷兰卡拉瓦吉斯特——17世纪早期-)
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Johann Wilhelm Kaiser (1813~1900). Graficus, directeur van de Graveerschool en van het Rijksmuseum (c. 1875 ~ c. 1900) --Pantaleon Szyndler (波兰画家, 1846 - 1905)