Antefix:
A painted terracotta antefix, a covering at the end of a building for the joints of a tiled roof, once decorated the shrine of Mater Matuta [in the ancient Italian town of Satricum]. [Noted in “All Roads, Eventually, Lead to Rome,” Roger Atwood, Archaeology (November/December 2018, print only).]
The provided image is not from the magazine article, but appears to be the same artifact as pictured in the magazine.