not sure.
I’ve never even heard of Turner caravans!
this is the best i could do now…
This guy sold his in Gauteng maybe he might know more:
18ft Rhodesian handmade turner caravan.
R 15 000For Sale
18ft Rhodesian handmade turner caravan. Unused!! R15 000. Call Graham 0835511597.
Maybe Graham can point you in the right direction! 😉