I haven't counted my pins but I wouldn't be surprised if I have over 400. I collect them sporadically now, mostly when I travel. It gets harder to get good ones when you've already got so many. I considered ordering some from a catalogue once but I prefer to see them before I select them. I don't buy just any pin, they must have some appeal to me and I prefer them not to be too offensive for me to wear, but I make exceptions.
I have some that are:
(For example, the cow with the think bubble `no nukes' and the nuclear power plant with the think bubble `no cows'.)
There may one day be images on this page, but don't hold your breath while you wait.
This document is copyright by its author, J. Blustein.