White ground cup (interior) ... Piet de Jong ... Cf. Hesperia 2 (1933), p. 225, fig. 5. Exhibited at the Benaki Museum, 15 November 2006 to 7 January 2007. Photo 2008.03.0279.
White ground cup (profile). Youth with lyre ... Piet de Jong ... Fragile Cartridge Paper Drafting Ink
White ground cup (interior). Youth with lyre ... Mary Wyckoff ... Cf. Hesperia 2 (1933), p. 225, fig. 5. Fragile Watercolor Paper Watercolor
White ground kylix (watercolor) ... Piet de Jong ... Fragile Watercolor Paper Watercolor ... 1958