I thought I would clean it up and make a planter out of it.
Hm, maybe not. The bowl fell apart as soon as I touched it.
Plan B then; the base was still in good shape, so I took the Percussive Detachment Tool (a hammer) to it and cleaned that up, with steel brushes and sanding. One can of spray paint and a suitably sized terra cotta bowl later, we have This:
A nice splash of color for the front yard. Not bad, eh?