Alright Guys, Kizzyiee here again, I've finially found all of the locations to the Skulls on Mob of the Dead. By throwing your retreiver at them you will get a free blunder gat from the wardons office. For more please follow my channel. Thank you
Mob of the Dead Easter Egg Discovery 2: - Collecting a total of 5 skulls and getting a free Blunder gat.