I have no clue if this is an actual Belstaff bag but it was expensive and even if it isn't the classic one—or even a Belstaff—it's aesthetically pretty perfect. I can always
Belstaff Large Leather and Canvas Messenger Bag in Brown for Men | Lyst
Belstaff bag hi-res stock photography and images - Alamy
Men's Nylon Urban Backpack in Dark Ink | Belstaff US
Belstaff Double-Sized Backpack | Bags, Messenger bag men, Backpacks
Mads Mikkelsen Style on X: "Mads Mikkelsen at the Shanghai Pudong International Airport ✈️ on September 5th, 2018. Mads has a backpack 🎒 for men's from @Belstaff COLONIAL BACKPACK - color Mountain
Belstaff - Bruce Logo-Appliquéd Leather-Trimmed Canvas Backpack Belstaff
Buy Belstaff Bruce Leather-trimmed Nylon-canvas Backpack - Black At 30% Off | Editorialist