Sale 1:

Sold for 10 keys + ~1 key in metal

Seller: https://backpack.tf/profiles/76561198225694412#!/compare/1588723200/1588809600

Buyer: https://backpack.tf/profiles/76561198049527404#!/compare/1588723200/1588809600

https://backpack.tf/item/7956995624

11 keys

Sale 2:

Sold for 11 keys (IDs match)

Seller: https://backpack.tf/profiles/76561198311498888#!/compare/1584144000/1584230400

Buyer: https://backpack.tf/profiles/76561198825833809#!/compare/1584230400/1585094400

https://backpack.tf/item/1756748407

Near ID: 8582000958

11 keys

Sale 3:

Sold for 10 keys

Seller: https://backpack.tf/profiles/76561198002757046#!/compare/1583539200/1583625600

Buyer: https://backpack.tf/profiles/76561198004610923#!/compare/1583539200/1583798400

https://backpack.tf/item/7957227551 (the sale after this is untraceable, the buyer’s backpack has only been scanned once, which was about 2 months after the buyer got rid of it)

10 keys

Sale 4:

Sold for 9 keys

Seller: https://backpack.tf/profiles/76561198182795337#!/compare/1588809600/1588896000

Buyer: https://backpack.tf/profiles/76561198225694412#!/compare/1588723200/1588809600

https://backpack.tf/item/7956995624

9 keys

Marketplace Sales:

https://marketplace.tf/items/tf2/342;5;u57

$19.99, March 17th

$26.67, April 14th

https://backpack.tf/item/7957513963 - March 17th

http://manic.tf/keyprice?at=2020-03-17&price=19.99 - $19.99 / $1.69 = 11.83 keys

https://bot.tf/stats/listings/4R0P8LR2 - No snapshots

Couldn’t find the other history

http://manic.tf/keyprice?at=2020-04-14&price=26.67 - $26.67 / $1.75 = 15.24 keys

https://bot.tf/stats/listings/Y3WG16QE - No snapshots

After rounding, we have:

15 keys

Other Sales:

https://backpack.tf/item/7957227551 (#1)

https://backpack.tf/item/7957052359 (#2-4)

https://backpack.tf/item/7956995624 (#5-7)

https://backpack.tf/item/1756748407 (#8)

#1

Untraceable

https://backpack.tf/profiles/76561198165146867#!/compare/1582848000/1582934400

https://backpack.tf/profiles/76561198002757046#!/compare/1582761600/1582848000

#2

Untraceable

https://backpack.tf/profiles/76561198080179568#!/compare/1581552000/1581638400

https://backpack.tf/profiles/76561198119101701#!/compare/1581552000/1582070400

#3

Untraceable

https://backpack.tf/profiles/76561198119101701#!/compare/1587772800/1587945600

https://backpack.tf/profiles/76561198850274253#!/compare/1588723200/1588809600

#4

Untraceable

https://backpack.tf/profiles/76561198850274253#!/compare/1588809600/1588896000

https://backpack.tf/profiles/76561198121042490#!/compare/1588809600/1588896000

#5

Bulk

https://backpack.tf/profiles/76561198200931923#!/compare/1588723200/1588809600

https://backpack.tf/profiles/76561198182795337#!/compare/1588636800/1588809600

#6

Sold with a couple keys for ’72 Conga + some ref

https://backpack.tf/profiles/76561198049527404#!/compare/1588896000/1589068800

https://backpack.tf/profiles/76561198308791549#!/compare/1588982400/1589068800

Better to use on the conga.

#7

Untraceable

https://backpack.tf/profiles/76561198308791549#!/compare/1588982400/1589068800

https://backpack.tf/profiles/76561199050326472#!/compare/1589155200/1589328000

#8

Bulk for Green Energy Elf Esteem

https://backpack.tf/profiles/76561198825833809#!/compare/1587945600/1588550400

https://backpack.tf/profiles/76561198340829257#!/compare/1588118400/1588204800

Sellers:

https://i.imgur.com/T4d4YkC.png

https://backpack.tf/item/7957052359 - 14 keys

https://backpack.tf/item/1756748407 - 17 keys

Sales at:

9

10

11 (2x)

12

15

15 is an outlier, excluding 15.

Taking 9-12.