Yeah. Probably swapped you an already built tranny. If he didn't add it in the costs for your buildup, then I'd expect it might be a repaired housing at first glance.

Former owner of '99 CSVT - Silver #222/2760 356/334 wHP/TQ at 10psi on pump gas! See My Mods '05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red '06 Mazda5 Touring, 5spd,MTX, Black