Look at this woddity (“wonderful oddity”) from Historic House Parts: A vintage porcelian on steel (I’m guessing) kitchen sink with one square bowl and one round bowl. Ain’t life grand? HHP says this is from “Ebco”… the sink is 38″x20″ overall, with the round bowl somewhat shallower (7.5” D) than the square. Sounds like there are some little issues, $150. I’m calling this 1970s. Any other guesses — or folks who have spotted this one, still survived in the wild?