Question: What type of art is modeled after a supposed Greek bronze original made in the second quarter of the 5th Century BCE.
Sentence: The type is represented by neo-Attic Imperial Roman copies of the late 1st or early 2nd century, modelled upon a supposed Greek bronze original made in the second quarter of the 5th century BCE, in a style similar to works of Polykleitos but more archaic.
Answer in sentence: yes