Polychromos colour pencil
181 Payne´s grey
230 cold grey I
232 cold grey III
270 warm grey I
231 cold grey II
233 cold grey IV
234 cold grey V
274 warm grey V
271 warm grey II
272 warm grey III
273 warm grey IV
Pitt Pastel pencil
Payne´s grey
235 cold grey VI
275 warm grey VI
Polychromos pastel
cold grey V
warm grey III
cold grey IV
Albrecht Dürer watercolour pencil
warm grey I
warm grey II
warm grey VI
Pitt Artist Pen Calligraphy India ink pen
warm grey IV
cold grey I