
I might be wrong, but some thoughts:
Considered Caesars Laurel Wreath It represents victory and higher education. In this case he might have that showing his Italian lineage.
http://www.illustratedcuriosity.com/history/history-ancient-history/why-did-caesar-wear-a-wreath-on-his-head/
Why did Julius Caesar wear a wreath on his head?
- Illustrated Curiosity
http://www.illustratedcuriosity.com/history/history-ancient-history/why-did-caesar-wear-a-wreath-on-his-head/