No sales on marketplace

Bought with 7 keys - https://gyazo.com/a16a653662cfefbf4a0f750baac8a00d

Sold for 10 Invasion keys - https://gyazo.com/1aa1cab95510e1396bb253366d4a1723

1 Invasion key is selling for $2.43 https://marketplace.tf/items/tf2/5021;6

1 Key is $1.88 https://marketplace.tf/items/tf2/5021;6

(10*2.43)/1.88 = 12.9 = ~13

Proof:

Bought: https://gyazo.com/6670efba8afe3684995b78bc2145d704

Sold: https://gyazo.com/960fcc9dfe24e3aa1533abd6caa87387

Other Sales:

https://backpack.tf/profiles/76561198358965606#!/compare/1585094400/1585180800 - Bulk sale

https://backpack.tf/profiles/76561198827530902#!/compare/1585094400/1585180800 - Quicksold for 7 Keys + 5 Refined

https://backpack.tf/profiles/76561198098290469#!/compare/1585094400/1585180800 - Sold + 2 Keys for a Terror-Watt Hot Dogger (16 Keys)

https://backpack.tf/profiles/76561198048851745#!/compare/1587254400/1587340800 - Sold for 7 Keys + 25 Refined (~7.5 Keys)

https://backpack.tf/profiles/76561198158482500#!/compare/1589760000/1589846400 - Quicksold for 10 Keys + 30 Refin

https://backpack.tf/profiles/76561198839307425#!/compare/1591056000/1591142400 - Sold for 10 Keys

https://backpack.tf/profiles/76561198075473851#!/compare/1591660800/1591747200 - Sold for a Nuts n' Bolts Bat Hat (11 Keys)

https://marketplace.tf/items/tf2/31058;5;u31 - Bat Hat sold for $18.99 (11 Keys)

https://imgur.com/a/MD8rtcB - 10 day seller at 14 Keys

https://backpack.tf/item/8759332012

Taking 10-11 keys