See other post "Wide Whites" they mention a company that makes white wall radials in Sacramento California, by vulcanizing the white wall to new tires. Maybe they would have something that would work or you could reach out to them. Their prices are not $80, but a lot better then the other vendors. I have not tried, used, bought or seen these tires...someone else with experience might provide some info on experience going this route.
http://www.callitw.com/