1947 Hobbs of Barbican Clubweight Build and many other old builds

I need a cotter pin press, i didnt know such a thing even existed. very handy

This is where I got mine from. Not the cheapest and you can make your own out of a C clamp if you can be bothered. He also sells a fairly nifty fixed cup removal tool.

http://bikesmithdesign.com/CotterPress/index.html

The two nuts on the cotter pin in the photo? Not seen that done before.
They do tend to feel like they've reached their elastic limit prematurely, on torquing up...

Neither had I but the pins that I sourced came with 2 and they both fit on the end of the pin. Not sure if you're supposed to use both or not! :)