Pourquoi y'a 2 couleurs pour le tome 50 ? 
https://scontent-bru2-1.xx.fbcdn.net/hphotos-xap1/v/t1.0-9/11229282_830201300421020_5386850799308115379_n.jpg?oh=8b5cc9d219f17f2515fe780179347fa3&oe=56299B9E
https://scontent-bru2-1.xx.fbcdn.net/hphotos-xpa1/v/t1.0-9/10492295_830200960421054_5482953397847722378_n.jpg?oh=481b2366d30e499e0628153a0dc01d70&oe=56226FDF