London Overground Mildmay Line Collectable Guide
There are 6 collectables near Canonbury (2 defibrillators, 1 route map, 2 newspaper stands, and 1 fire extinguisher)
Collectable #1: Defibrillator
Collectable #2: Route Map
Collectable #3: Defibrillator
Collectable #4: Newspaper Stand
Collectable #5: Fire Extinguisher
Collectable #6: Newspaper Stand