While using old NYT pages for hand building I came across an article from last September:
"We know them best for their stone tools and intrepid mammoth hunting. But new discoveries in Croatia suggest that ice age humans made evocative ceramic art far more regularly than once believed."
"They are 15,000 to 17,500 years old — the first European evidence of ceramic art after the ice sheets stopped spreading."
"Tantalizingly, several of the Croatian pieces feature the imprint of a finger, perhaps left there when the artist tried to smooth wet clay."
Here's a link: