I believe it is the peace sign.
Princeton University is said to have a "lucky" peace sign on its campus because it is believed to bring good luck to students taking their exams. The tradition started when a student drew a peace sign on a university store window during finals week for luck, and it has since become a popular superstition among students.
Princeton is a taurus. His birthday is April 21.
its a peace sign
the peace sign
Taurus
yes
Fly one's
Yes he has to sign autographs and do homework
Princeton is right handed because his peace sign is wretten on his left hand
Everybody has a speciel lucky sign so if you think it is it is.
They are a sign of protection in the Chinese Culture.
of course they are leo's are very lucky as you can see leo's are the luckiest zodiac sign ever