Halo 3 Legendary Edition Info?

[arbiter_lucario]

hey i got a halo 3 legendary edition on September 25th last year and i've been wondering since that what is that number on the back of the helmet stand for?

I just didnt care at first but know i am curious

 

[sunka2007]

What is the number?

 

[geoffo1406]

THE HELMET IS LIMITED EDITION AND HAS A UNIQUE INDIVIDUAL NUMBER

so its part of unique collection, and each buyer has there own number.