https://marketplace.tf/items/tf2/30827;5;u10

$41.99 / $2.18 = 19.26 keys

$41.99 / $2.07 = 20.29 keys

https://backpack.tf/profiles/76561198351486329#!/compare/1611705600/1611792000

https://backpack.tf/profiles/76561198089596224#!/compare/1611187200/1612224000

Untraceable

https://backpack.tf/profiles/76561198089596224#!/compare/1612828800/1613606400

https://backpack.tf/profiles/76561198068350193#!/compare/1613520000/1613606400

Bulk

https://backpack.tf/profiles/76561198453530349#!/compare/1611014400/1611100800

https://backpack.tf/profiles/76561198042298511#!/compare/1610841600/1611100800

Untraceable

https://backpack.tf/profiles/76561198042298511#!/compare/1613088000/1614038400

https://backpack.tf/profiles/76561198140316312#!/compare/1613174400/1614038400

Bulk

https://backpack.tf/profiles/76561198041860163#!/compare/1611273600/1611360000

https://backpack.tf/profiles/76561199108613561#!/compare/1611273600/1611360000

16 keys + less than a key of sweets

https://backpack.tf/profiles/76561199108613561#!/compare/1611273600/1611360000

https://backpack.tf/profiles/76561198338575288#!/compare/1611273600/1611360000

Cloud 9 Boxcar Bomber, high here and low there

https://backpack.tf/profiles/76561198338575288#!/compare/1611273600/1611360000

https://backpack.tf/profiles/76561198138690072#!/compare/1611273600/1611360000

Untraceable

https://backpack.tf/profiles/76561198138690072#!/compare/1611273600/1611360000

https://backpack.tf/profiles/76561198298999406#!/compare/1611187200/1611360000

Untraceable

https://backpack.tf/profiles/76561198298999406#!/compare/1611360000/1611446400

https://backpack.tf/profiles/76561199073805105#!/compare/1611360000/1611446400

11 keys 1 refined

https://backpack.tf/profiles/76561199073805105#!/compare/1611446400/1611619200

https://backpack.tf/profiles/76561198179792277#!/compare/1611360000/1611619200

20 keys

https://backpack.tf/profiles/76561198179792277#!/compare/1611360000/1611619200

https://backpack.tf/profiles/76561198254410537#!/compare/1611532800/1611619200

Untraceable

https://backpack.tf/profiles/76561198254410537#!/compare/1611619200/1611705600

https://backpack.tf/profiles/76561199006093549#!/compare/1611532800/1611705600

Sunbeams Brain-Warming Wear, which was traded for the Fragmenting Citizen Cane + 6 in the 1st compare in the same day

https://backpack.tf/profiles/76561199006093549#!/compare/1611705600/1611792000

https://backpack.tf/profiles/76561198274025043#!/compare/1611705600/1611792000

Searing Plasma Tavish DeGroot Experience, better used there

https://backpack.tf/profiles/76561198274025043#!/compare/1611705600/1611792000

https://backpack.tf/profiles/76561198410145031#!/compare/1611014400/1611792000

18 keys

https://backpack.tf/profiles/76561198410145031#!/compare/1611878400/1612137600

https://backpack.tf/profiles/76561198301225447#!/compare/1566518400/1612137600

18 keys

https://backpack.tf/profiles/76561198301225447#!/compare/1615248000/1616457600

https://backpack.tf/profiles/76561198097271466#!/compare/1616371200/1616457600

15 keys

https://backpack.tf/profiles/76561198097271466#!/compare/1616630400/1616716800

https://backpack.tf/profiles/76561199106217370#!/compare/1616544000/1616630400

Untraceable

https://backpack.tf/profiles/76561199106217370#!/compare/1617408000/1617494400

https://backpack.tf/profiles/76561198080179568#!/compare/1617408000/1617494400

Untraceable

Sales

11

15

16

18

18

19

20

20

https://gyazo.com/6ca8ce1e87b676356f89fe4e87f546e0

Buyers 17.6

Let's go with 18-20