For Sale, set of Zeus downtube shifters, these don't have a clamp but rather appear to connect straight onto the bosses. They were NOS and I have never mounted them. I got them several years ago from a swap. $10 plus some shipping.
Walt Skrzypek Falls Creek, Pa
Still have some patches as well in the following designs. Raleigh, Ephgrave, Dawes, and Motobecane...Fixed Gear Hooligans ones available also.