Portrait of a young man, three-quarter-length, seated before a red curtain, a landscape beyond-Attributed-to-Lamqua (一个年轻人的肖像,四分之三长,坐在红色窗帘前,远处的风景-归因于Lamqua)
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Ex libris van de Johannes Henoch Neethling verzameling ondergebracht bij Victoria College in Stellenbosch (1909) --Carel Adolph Lion Cachet (荷兰艺术家, 1864 – 1945)