They look great Barry, I'm following with interest as I have two S&D milk vans to do. I will use Vallejo Prussian blue as dedicated railway colour model paints are unavailable in Perth.
Kind regards,
Iain
Are you lining on the beading or on the panelling?
[Andrew Bone from Weymouth, England, CC BY 2.0 <https://creativecommons.org/licenses/by/2.0>, via Wikimedia Commons]