Taking last 2 months (August 24 on)

Sale 1:

https://backpack.tf/profiles/76561198406237177#!/compare/1570752000/1570838400

https://backpack.tf/profiles/76561198080179568#!/compare/1570752000/1570838400

QS

Sale 2:

https://backpack.tf/profiles/76561198340634356#!/compare/1567123200/1567209600

https://backpack.tf/profiles/76561198051050346#!/compare/1567123200/1567209600

Sold for ~4.4 keys

sale 3:

https://backpack.tf/profiles/76561198421835667#!/compare/1568332800/1571011200

https://backpack.tf/profiles/76561198838447026#!/compare/1568332800/1568419200

QS

Sale 4:

https://backpack.tf/profiles/76561198838447026#!/compare/1568851200/1568937600

https://backpack.tf/profiles/76561198974289370#!/compare/1568764800/1568937600

Untrace

sale 5:

https://backpack.tf/profiles/76561198974289370#!/compare/1569196800/1569283200

https://backpack.tf/profiles/76561198238504328#!/compare/1569456000/1570579200

Untrace

sale 6:

https://backpack.tf/profiles/76561198855912328#!/compare/1567209600/1567468800

https://backpack.tf/profiles/76561198377165880#!/compare/1567382400/1567468800

Sold with ~0.49 keys in sweets for 4 keys

total is ~3.35 keys

Sale 7:

https://backpack.tf/profiles/76561198340634356#!/compare/1566950400/1567036800

https://backpack.tf/profiles/76561197965601027#!/compare/1566950400/1567296000

Sold for ~4.4 keys

Sale 8:

https://backpack.tf/profiles/76561198305668226#!/compare/1566345600/1566691200

https://backpack.tf/profiles/76561198393426246#!/compare/1566604800/1566691200

Not unusual

Sale 9:

https://backpack.tf/profiles/76561198417630701#!/compare/1570924800/1571356800

https://backpack.tf/profiles/76561198340634356#!/compare/1570838400/1570924800

QS

sale 10:

https://backpack.tf/profiles/76561198142957952#!/compare/1566864000/1567209600

https://backpack.tf/profiles/76561197978926751#!/compare/1566172800/1567468800

SCM

Sale 11:

https://backpack.tf/profiles/76561198077824457#!/compare/1571270400/1571356800

https://backpack.tf/profiles/76561198340634356#!/compare/1571184000/1571270400

Sold for ~3.30 keys (QS)

Sale 12:

https://backpack.tf/profiles/76561198364931402#!/compare/1568764800/1568851200

https://backpack.tf/profiles/76561198248865532#!/compare/1568764800/1568851200

untrace

Sale 13:

https://backpack.tf/profiles/76561198248865532#!/compare/1570924800/1571097600

https://backpack.tf/profiles/76561198335791307#!/compare/1570838400/1570924800

QS

sale 14:

https://backpack.tf/profiles/76561198050712972#!/compare/1569628800/1570838400

https://backpack.tf/profiles/76561198168205400#!/compare/1569801600/1571011200

SCM

Sale 15:

https://backpack.tf/profiles/76561198960182407#!/compare/1566864000/1567123200

https://backpack.tf/profiles/76561198212471024#!/compare/1566864000/1567123200

Low

Sale 16:

https://backpack.tf/profiles/76561198096572920#!/compare/1568419200/1569196800

https://backpack.tf/profiles/76561198263496687#!/compare/1561334400/1571702400

Untrace

sale 17:

https://backpack.tf/profiles/76561198048851745#!/compare/1567555200/1567641600

https://backpack.tf/profiles/76561198913632430#!/compare/1567641600/1567728000

Sold for ~4.5 keys

Sale 18:

https://backpack.tf/profiles/76561198848189063#!/compare/1569974400/1570060800

https://backpack.tf/profiles/76561198334598690#!/compare/1569974400/1570060800

QS

Sale 19:

https://backpack.tf/profiles/76561198213521937#!/compare/1569456000/1569542400

https://backpack.tf/profiles/76561198061489334#!/compare/1568851200/1569542400

Sold for Showstopper Pipes(3.5)

sale 20:

https://backpack.tf/profiles/76561198273121363#!/compare/1566518400/1568419200

https://backpack.tf/profiles/76561198284106616#!/compare/1570233600/1570924800

SCM

Sale 21:

https://backpack.tf/profiles/76561198157280029#!/compare/1568419200/1568505600

https://backpack.tf/profiles/76561198305676157#!/compare/1568332800/1568419200

QS

Sale 22:

https://backpack.tf/profiles/76561198305676157#!/compare/1568505600/1568592000

https://backpack.tf/profiles/76561198033497191#!/compare/1568592000/1568937600

Sold for 5 keys

sale 23:

https://backpack.tf/profiles/76561198011732976#!/compare/1569369600/1571356800

https://backpack.tf/profiles/76561198087838937#!/compare/1569628800/1569715200

https://backpack.tf/profiles/76561198841279602#!/compare/1569628800/1569715200

Untrace

sale 24:

https://backpack.tf/profiles/76561198854231970#!/compare/1567123200/1568419200

https://backpack.tf/profiles/76561198435616443#!/compare/1567209600/1567296000

Untrace

Sale 25:

https://backpack.tf/profiles/76561198435616443#!/compare/1569024000/1569542400

https://backpack.tf/profiles/76561198069967202#!/compare/1569456000/1569542400

untrace

sale 26:

https://backpack.tf/profiles/76561198069967202#!/compare/1569456000/1569542400

https://backpack.tf/profiles/76561198334598690#!/compare/1569456000/1569542400

Sold for 3 keys (QS)

Sale 27:

https://marketplace.tf/items/tf2/1183;5;u3005

$12.89 / $1.81 = 7.12 keys <--- https://backpack.tf/item/6252758171

bot.tf:

https://bot.tf/stats/item?def=1183&q=5&ef=Fountain%20of%20Delight&craft=1&aus=0&ks=0&source=browser_script

2 sales @ ~4.4 keys,

1 sale @ 4.45 keys,

2 sale @ 3.60 keys,

5 sales @ 3.65 keys,

1 sale @ ~3.80 keys

total sales @:

3

3.3

3.35

3.5

3.6 (x2)

3.65 (x5)

3.8

4.4 (x4)

4.45

4.5

5

7

buyers up to ~3.60 keys,

Multiple sellers down to ~4.55 keys,

calling 3.5 and under low,

5 high,

Taking 3.60 - 4.5 keys