A Very Large Hen's Tooth
It is not hard to find it, as it is possibly the largest 55mm lens in the place. Possibly? It IS the largest 55 in the shop. That's a 5¢ piece in the photo for comparison.
Smooth as silk in the focusing. Totally precise in the aperture ring. Superb definition and colour fidelity on a Nikon camera body. Probably the ultimate in this lens focal length anywhere and Saul says they are super rare around the world.
We must be doing something right because this is the second one of these that I have seen - one of our professional customers has one in operation right now.
Yes, you can buy it, and no, you can't have it for a song. Not unless you are Dame Nellie Melba and have the entire chorus of La Scala behind you doing " Aida "...