Sale 1:

Sold for 11 keys

Seller: https://backpack.tf/profiles/76561198335791307#!/compare/1585958400/1586044800

Buyer: https://backpack.tf/profiles/76561198087016902#!/compare/1585958400/1586044800

https://backpack.tf/item/1382339038

https://i.imgur.com/Yr8lt25.png - bot.tf confirms

11 keys

Sale 2:

Sold for Open Mind Highway Star (10)

Seller: https://backpack.tf/profiles/76561198069493147#!/compare/1585008000/1585094400

Buyer: https://backpack.tf/profiles/76561198326415562#!/compare/1585008000/1585180800

https://backpack.tf/item/440144986

10 keys

Sale 3:

Sold for 7 keys

Seller: https://backpack.tf/profiles/76561198013897700#!/compare/1588032000/1588204800

Buyer: https://backpack.tf/profiles/76561198813817230#!/compare/1587945600/1588118400

https://backpack.tf/item/1368267441

7 keys

Sale 4:

Sold for 7 keys + cheap taunt

Seller: https://backpack.tf/profiles/76561198813817230#!/compare/1588118400/1588291200

Buyer: https://backpack.tf/profiles/76561198133275120#!/compare/1587945600/1588896000

https://backpack.tf/item/1368267441

7 keys

Sale 5:

Sold for 7 keys

Seller: https://backpack.tf/profiles/76561198002757046#!/compare/1584921600/1585008000

Buyer: https://backpack.tf/profiles/76561198318016141#!/compare/1483920000/1585008000

https://backpack.tf/item/440144986

7 keys

Marketplace Sales:

https://marketplace.tf/items/tf2/216;5;u30

$12.99, April 10th

$13.50, April 20th

Couldn’t find the histories, except for maybe the 2nd sale (see #7 below)

http://manic.tf/keyprice?at=2020-04-10&price=12.99 - $12.99 / $1.68 = 7.73 keys

https://bot.tf/stats/listings/MXXE3JO1 - No important B/O

http://manic.tf/keyprice?at=2020-04-20&price=13.5 - $13.5 / $1.79 = 7.54 keys

https://bot.tf/stats/listings/MQ05WZW2 - No important B/O

After rounding, we have:

7.5 keys (2x)

Other Sales:

https://backpack.tf/item/1647540645 (#1)

https://backpack.tf/item/1638966190 (#2)

https://backpack.tf/item/1368267441 (#3)

https://backpack.tf/item/1368267441 (#4-7)

https://backpack.tf/item/733629483 (#8-14)

https://backpack.tf/item/440144986 (#15-18)

https://backpack.tf/item/4669222144 - scrap

#1

Untraceable

https://backpack.tf/profiles/76561198311498888#!/compare/1588723200/1588809600

https://backpack.tf/profiles/76561198121915209#!/compare/1588723200/1588896000

#2

Untraceable

https://backpack.tf/profiles/76561198087016902#!/compare/1585958400/1586044800

https://backpack.tf/profiles/76561198080179568#!/compare/1585958400/1586044800

5 keys + some metal match.

The seller here is the buyer of the 11 key sale, invalidating that sale, as they instantly re-sold for significantly cheaper.

#3

Untraceable

https://backpack.tf/profiles/76561197995765113#!/compare/1584057600/1584662400

https://backpack.tf/profiles/76561198442349647#!/compare/1586736000/1586822400

https://i.imgur.com/Yr8lt25.png - Labelled as 6 keys + 8 ref

Missing some info in the item history.

#4

Untraceable

https://backpack.tf/profiles/76561198442349647#!/compare/1586822400/1586908800

https://backpack.tf/profiles/76561198110988031#!/compare/1586390400/1586908800

https://i.imgur.com/Yr8lt25.png - Labelled as 7 keys

#5

Untraceable

https://backpack.tf/profiles/76561198110988031#!/compare/1586995200/1587081600

https://backpack.tf/profiles/76561198841279602#!/compare/1586908800/1586995200

#6

Untraceable

https://backpack.tf/profiles/76561198841279602#!/compare/1587081600/1587168000

https://backpack.tf/profiles/76561198445708457#!/compare/1587168000/1587340800

#7

Untraceable

https://backpack.tf/profiles/76561198445708457#!/compare/1587168000/1587340800

https://backpack.tf/profiles/76561198192432594#!/compare/1587254400/1587340800

May have been the marketplace sale

#8

Sold for 5 keys?

https://backpack.tf/profiles/76561198798977870#!/compare/1582761600/1582934400

https://backpack.tf/profiles/76561198841279602#!/compare/1582848000/1582934400

Would be way too low if true.

#9

Untraceable

https://backpack.tf/profiles/76561198841279602#!/compare/1583798400/1583884800

https://backpack.tf/profiles/76561199005437386#!/compare/1583712000/1584576000

2 keys match

#10

Bulk/untraceable

https://backpack.tf/profiles/76561198028025343#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198069493147#!/compare/1586304000/1586390400

#11

Untraceable

https://backpack.tf/profiles/76561198069493147#!/compare/1586390400/1586476800

https://backpack.tf/profiles/76561198337734785#!/compare/1586304000/1586390400

#12

Untraceable

https://backpack.tf/profiles/76561198337734785#!/compare/1587081600/1587168000

https://backpack.tf/profiles/76561198964510063#!/compare/1587254400/1587340800

Most likely missing a person in the history

#13

Untraceable

https://backpack.tf/profiles/76561198964510063#!/compare/1587859200/1587945600

https://backpack.tf/profiles/76561198084495248#!/compare/1587859200/1587945600

#14

Untraceable

https://backpack.tf/profiles/76561198084495248#!/compare/1587859200/1587945600

https://backpack.tf/profiles/76561198850274253#!/compare/1587945600/1588032000

#15

Untraceable

https://backpack.tf/profiles/76561198815908394#!/compare/1582329600/1582416000

https://backpack.tf/profiles/76561198337734785#!/compare/1582329600/1582416000

#16

Untraceable

https://backpack.tf/profiles/76561198337734785#!/compare/1583366400/1583452800

https://backpack.tf/profiles/76561198079704808#!/compare/1583366400/1583452800

#17

Untraceable

https://backpack.tf/profiles/76561198079704808#!/compare/1583539200/1583625600

https://backpack.tf/profiles/76561198002757046#!/compare/1583452800/1583539200

4 keys + some ref match

#18

Sold with 4 keys for Logo Scout Shako

https://backpack.tf/profiles/76561198318016141#!/compare/1585008000/1585094400

https://backpack.tf/profiles/76561198069493147#!/compare/1585008000/1585094400

Using on the Shako.

#19

Untraceable

https://backpack.tf/profiles/76561198442349647#!/compare/1583280000/1583539200

https://backpack.tf/profiles/76561198987866359#!/compare/1583539200/1583625600

https://i.imgur.com/Yr8lt25.png - labelled as 8 keys

#20

SCM

https://backpack.tf/profiles/76561198987866359#!/compare/1584921600/1589068800

https://backpack.tf/profiles/76561198133979591#!/compare/1587686400/1587772800

Sellers:

https://i.imgur.com/hCR2xeM.png

https://backpack.tf/item/733629483 - ~7.5 keys

https://backpack.tf/item/1382339038 - 8 keys

https://backpack.tf/item/1368267441 - 8 keys

https://backpack.tf/item/8443075697 - ~8.7 keys

Sales at:

7 (3x)

7.5 (2x)

10

11

As mentioned in #2, the sale at 11 keys is gonna be excluded due to the fact that the buyer re-sold instantly for much less. Excluding 11.

10 is an outlier, and is higher than the sellers. Excluding 10.

Taking 7-7.5.