London Overground Mildmay Line Collectable Guide
There are 4 collectables near Caledonian Road and Bransbury (1 defibrillator, 1 newspaper stand, 1 route map, and 1 fire extinguisher)
Collectable #1: Defibrillator
Collectable #2: Newspaper Stand
Collectable #3: Route Map
Collectable #4: Fire Extinguisher