A 2nd group composition...

...is shown here, and comissioned by a group of workers from "Exquim S.A.", a chemical company from Catalonia, Spain (which belongs to "Grupo Ferrer"). This artwork was presented as a gift to the boss of them, the day of his retirement.

The 1st sketch:



Now, pencil over the cardboard:



Now, the ink:







The final result in B&W and collour, too:




Some shots showing the final product, on canvas: