The only thing close to this I found on Amazon was a Greek/Roman style woman's head which I thought would still look pretty much like Medusa!
Lucky Winner Greek/Roman Style Female Statue Head Cement Planter (10.5") https://www.amazon.com/dp/B079C3WT13/ref=cm_sw_r_cp_api_i_fImgDbQSGWN9Z
Amazon has similar, if not the same ones. I’ve got all sorts of head planters in my wishlist. Just waiting on the funds and the mental ability to spend money on myself.
Here’s a couple good ones.