USA Uncial is a based on the Uncial letterform that used across Europe during the time of the late Roman Empire, and thereafter as well. Its forms would inspire the Carolingian Miniscule (c. 800 A.D.), and our present lowercase.
Uncial font is often seen in Ireland and elsewhere for things that should look "Irish" or "Celtic." It is also a favorite for use on certificates and diplomas. The font is best used in headlines and shorter texts with a point size of 12 or larger."