^ That's going to be a beautiful bike and fun build. Deserves precision paint touchup work. Suggest taking the frame to a Walgreens and match with acrylic nail polish. Very fine wet sand then 2k clear coat. That finish will pop with depth.
Difficult to see but appears the seat stays might have a taper on both ends. Viner was known to use Falck on some frames along with Columbus for main tubes and fork.
Definitely could see contrast black components. If you're still considering Galli, shouldn't be that difficult to find in black as was popular.
Lastly, Matt Gorski of South Bay Wheelman outed on the CR list a 27.2 Campy seat post with pantographed Viner.