Watercolor of Protoattica oinochoe ... Ptg. 345 AMS Horizontal (normal)
Olpe with head of a lion. Watercolor by Piet de Jong ... Craig Mauzy ... Ptg. 345 Horizontal (normal) ... 2006
Characteristic signature of Piet de Jong from the watercolors in the Athenian Agora, type 2b ... Craig Mauzy ... Ptg. 345 Horizontal (normal) ... 2006