The green OSL is a very basic dark green (I think snot green, not 100% sure), then scorpion green airbrushed from VGCA and then livery green, also VGCA.
And Kreuger is right. This is table-top, because it's basic colours with minor detailing, combined with an all over wash (homemade recipe with floorpolish, sepia and black ink) applied by airbrush. Quick, effective... looks more than good enough for tabletop standard and doesn't break the bank too much for the client.
