So, I started noticing the wild hair of the rider on Crepusius’ coins (RRC 361) and then I started thinking that clothing didn’t look very Roman either. That led me to re read
Michael J. Taylor. “The Battle Scene on Aemilius Paullus’s Pydna Monument: A Reevaluation.” Hesperia: The Journal of the American School of Classical Studies at Athens 85, no. 3 (2016): 559-76. doi:10.2972/hesperia.85.3.0559.
He makes the point that Roman cavalry wear tight fitting armor but often Macedonian warriors are represented with more flowing drapery. He brings in a bunch of comparative visual evidence. Figure 21 is the key. Here is his reconstruction. I’ve colored all the Romans yellow to make things clearer. Besides Macedonians there are Allies and Gauls left uncolored
So who has that wild hair rides, dresses like a Macedonian, and is famous for his equestrian statues. Oh just this dude: