Drawing of goblet ... Ptg. 65 AMS Horizontal (normal)
Skyphos of the Protogeometric period. Watercolor by Piet de Jong ... Craig Mauzy ... Ptg. 65 Horizontal (normal) ... 2006
Characteristic signature of Piet de Jong from the watercolors in the Athenian Agora, type 1 ... Craig Mauzy ... Ptg. 65 Horizontal (normal) ... 2006
