Not sure if anyone has posted pics like this but for those who are interested, here are pics of the “Founder” loudout cards, as well as a groupshot of the 5 Merc skins.
Proxy & Sawbonez Loadout cards
Fragger, Skyhammer & Vassili Loadout cards
Groupshot of the Skins
Pics are screen caps from the Warchest page where you could choose your founder reward.