The pre-facelift second-generation Mazda Luce is probably one of the most underappreciated 1970s Japanese designs. Called the 929 when equipped with a piston engine and the RX-4 under rotary power, it struck just the right balance of elegance and menace. In all our years covering various car shows, we’ve only seen a handful of them. Hopefully more will come out of the woodwork, but we won’t be holding our breaths. Happy 929 Day from JNC.