[H] 3 Ref + 1 Level 10 Backpack [W] 1 set of summer cards

So basically 1 ref = 3.3 summer cards :P

The Cozy Camper

Team Fortress 2
Level 10 Backpack

+1 health regenerated per second on wearer
No flinching when aiming
Knockback reduced by 20% when aiming
20% damage vulnerability on wearer