So how do you sign your pots?

One of my students bought a plate from me last week. He said he really liked it, but why do I not sign my pots? I said that I do sign my pots, but I choose to use a chop mark as opposed to scrawling my really long signature all over the bottom of a piece. I usually put the mark on the bottom or near the bottom, sometimes I put it beside the bottom of handle attachment points, and sometimes I put it in a more visible spot, as with the two pictures below. I thought he was done with the topic, but this week he came back and said that the reason he, and possibly other students, buy my work is because I made it and in 10 years, he may not remember who the heck make that plate if all he had to go on was some little chop mark. I used to sign my work with a dull pencil, but I wanted something easier and smaller I explained and so I made myself this little stamp. It is unique to me, no other potter that I know of signs with a similar mark. I have never really had an issue with this method, most of the people that buy my work are unknown to me and they are not buying it because I made it (I'm not that famous yet) but because they like the piece. And I guess that is what it should be all about. It should be about the pot, not the potter so much.

So how do you sign your pots? with a flourish? a chop? or nothing at all?