I found these at a flea market in Scarborough. Aren´t they wonderful? I bought ten of the little pens, and see before me a black (silk?) cardigan with those pen buttons, that would be just a dream. I got twenty of the other ones and I think they will do nicely on a white linen shirt. I do have a weakness for nice buttons, and will often pick up odd ones. Nothing will transform a regular, boring shirt like a new set of buttons.