Dear Machete,
I have a circle of collectors I am In e mail dialogue with who I have met through forums or e bay etc.
I also if it's a valuable item, ask the buyer how long they have had the mini ...
I have 60 ish saved searches, so if I see a cast coming up time and time again, it may pose risk..
I don't believe there are many recasts out there.
Also I am paint stripping large swathes of OOP models,
So I doubt a re cast would arrive to me painted