Vokos used several motifs, especially realistic still life. He participated in relatively few exhibitions: Munich 1898, Paris 1900, Athens at the Parnassos Club at 1901, etc. Among his more notable prize-winning paintings are the Fisherman (Ιχθυοπώλης), which won the Chicago Award, Epitrapezion (Επιτραπέζιον) which was bought and exhibited at the palace of the Bavarian prince regent Luitpold.