I didn't get further than Anne Tique's suggestion before going to get a signed bit and comparing, and Anne is right, yet again.

Then I saw that others had confirmed too.

But nothing like being
absolutely sure!
eta. I've just had a read of both threads that were linked to - one contains a link to an auction of a Peacock piece with a label attached but unsigned.
I bought it. I'll get an image when I can find out how to on this new pc. But don't hold your breath.