Hamilton has also used one-off helmet designs to pay tribute to influential figures in his career.
After winning his fourth title in 2017, he entered in a gold helmet with four stars adorning the top of the helmet with the words World Champion.
It's knowing I was racing against an incredible driver, not only that but a great man in Seb who is a four-time world champion and we were racing against another team, he was at Ferrari who were very strong at the time.