The use of this “type” can indicate that the record is incomplete and will be improved, that the form is currently unidentified, or that the sherd does not support further identification.
“Unclassified Eastern Sigillata A.” In Kenchreai Archaeological Archive, edited by J.L. Rife and S. Heath. The American Excavations at Kenchreai, 2013-2019. <http://kenchreai.org/typology/p-esa-unclassified>