Guess I should have been more specific, as I'm looking for period double lamps from the US '30s-'40s. Somewhat ornate but not like Victorian ones. I do have KATO modern lights I bought LOOOOOONG ago, and with a bit of modification can be back-dated to a 1950's version (which look a lot like the modern ones). I have a possibility on eBay, but found nothing on Shapeways.
Also looking for one of those 4-way 3-signal traffic lights that used to hang above the middle of a city intersection. If I could figure a way to make the (tiny) hoods I'd be able to make one myself.