TH2004R. 82 model? Is it worth buying?

[McHaggis]

im in the wrong bizness, Rebuildable auto tranny cores around here go for 50-75 bucks USD. I see them on craigslist for $20-$50 sometimes. Unless somebody said its out of a grand national then the price goes up.

Can anyone put me onto a decent core then? I need it in LA in a week or so as there's a container leaving there for NZ.