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I have a 2p on top of a magnet and a1p on top of the 2p. The 1p does not want to stay in the middle, it wants to scoot to the edge.

What's up with that then?

Not all copper coins are magnetic. I think theres a general rule of thumb that post 1999 ones are. Hope this helps Mr Marvell.

Having played with my pocket contents (ooer) I noted that myself. In fact, the 1998 penny and 1995 2p were and the 1991 2p ans 1987 1p were not.

I'm using both magnetic ones. I've got my strongest magnet (not that strong) on the case and it's really not having any of it. It will stand on its end and even flip right round, but it will not stay central.

I suspect it's something to do with the field being stronger around the ends of the 2p, as opposed to through the centre and that the 1p is being pulled from the centre, as opposed to repelled, as it seems to feel.

Baffle me with science why dont ya . Actually if I need to swop a coin for another I steer away from 2ps because some are dull some are bright. I use 10ps instead.

The coin flipping over could be something to look in to.