My guess is the handyman special. Bought the wrong hardware for another client months ago, and finally found a sucker that bought the "hey, I have a brand new sink that never got installed from another job collecting dust. I'll hook you up"
Probably has a Habitat for Humanity Restore in the area. (It's a thrift store that specializes in residential construction donations, so you can find sinks, cabinets, doors etc there)