the 2 years were virtually identical. If it were a 40" I'd have it by now, only an hour away, and we're really missing our 40" sunny yellow '58! Still, it's tempting, even so!
but this has the "piano key" buttons and SensiTemp on the large LF burner, and being of the hydraulic type they often work properly, unlike the later type that was introduced a few years later... sent a request for info.