I bought a centennial model 15-91 and a rocketeer at the last one I went to for $75 each-excellent condition and really nice cabinets, even if the one the rocketeer is in is blonde wood. I also got a nice 1907 27 treadle at an estate sale for $40. Really bought it for the cabinet, but the machine is so nice, I didn't change it out. Sometimes nothing--sometimes the jackpot!