I have the following as marked in the numbered diagram ... 43 44 45 46 66+63 Photos below the diagram show a nice 66, and a 63 rusted at one end but retaining its shut-off flap and mechanism. I've had advice on value ranging from "scrap" to "rare" so finding pricing a little tricky. Let's say £40 +p&p and I'll wait to be "shot down". Photos of 43/44/45/46 to follow