Spotted...

Hatbeard. Not this afternoon. Could have been this morning. Or yesterday perhaps. I don't know where it was. Oh, hang on, was it as I was about to turn right from Cannon Street onto London Bridge on my way to sunny Deptford High Street at about 6.05pm yesterday? Yes, that'll be it. That was a speedy river-crossing!

He lives a few hundred yards from me...you should have sucked his wheel all the way here!