Two samples
Mortaria and bowls are amongst the most common forms present in Fabric 2a (Fulford 1975a, 26, Types 86–107, excluding 99–100). Their painted decoration ranges from red-brown (2.5YR 4/4, 2.5YR 5/6) to orange-brown (7.5YR 5/6) or brown (7.5YR 3/2, 7.5YR 4/4), depending on the thickness of the paint.
See the related record on the Atlas of Roman Pottery on the Potsherd website