The Independent has the obituary of Jill Braithwaite, the Archaeologist who advanced the study of Roman face pots:
Jill Braithwaite established a European reputation in archaeology for her study and interpretation of Roman face pots. Before she started her research, these strange pots had turned up singly or in very small groups throughout the Roman Empire but, with a few exceptions, they had remained isolated and uninterpreted finds. After 15 years of research, Braithwaite had reduced thousands of decorated single sherds and isolated pots to a sensible typology, instilled into the groups and styles a chronology, and begun the work of interpretation of material which stretched from the Black Sea to Spain and the Mediterranean to Scotland. read on
(Hat tip to Adrian Murdoch)
Fascinating! I encountered such face pots in Germany: