Wire wheel and some good spray paint...Since the resale value is not that great on the old single valve port A5s it might not be wise to put a whole lot into a paint job..
Ebay, camocow200 (1270) + 100% positive feedback
darr_musi (280) + 100% Positive Feedback
MCB (330) + 100% positive feedback
"Mar" bro: welcome to the forum, super nice marker - hopeful for your sale.
"stargazer" It's ma'am actually, not bro.