Battlefield 1 - How to Obtain Puzzle Pieces and Unlock Puzzles - Prima Games
Battlefield 1 - Game Detectives Wiki
Battlefield Bulletin on Twitter: "NEWS: DICE will rotate the Melee Weapon Puzzle Pieces with each new #Battlepack revision since now. Starting with the #TSNP revision #BF1. https://t.co/7lybSRrvu6" / Twitter
Battlefield 1 Battlepacks, Scrap and Puzzle pieces explained | Eurogamer.net