Using last 2 months.

Sale 1:

Sold for 4 keys

https://backpack.tf/profiles/76561198198896481#!/compare/1704240000/1704326400

https://backpack.tf/profiles/76561199416832877#!/compare/1700438400/1700524800

https://backpack.tf/item/11630336959

= 4 keys

Sale 2:

Sold for 4 keys

https://backpack.tf/profiles/76561198209640976#!/compare/1700265600/1700524800

https://backpack.tf/profiles/76561199416832877#!/compare/1698883200/1700438400

https://backpack.tf/item/8129660715

= 4 keys

Other Sales:

#1

https://backpack.tf/profiles/76561198272652249#!/compare/1701129600/1704844800

https://backpack.tf/profiles/76561199110809353#!/compare/1701129600/1701216000

https://backpack.tf/item/11735463924

Bulk, involves an orbiting fire Fried Batter, and it sold with another taunt and a bunch of keys.

#2

https://backpack.tf/profiles/76561199110809353#!/compare/1701475200/1701561600

https://backpack.tf/profiles/76561198065879305#!/compare/1701475200/1701561600

https://backpack.tf/item/11735463924

Untraceable

#3

https://backpack.tf/profiles/76561198981357191#!/compare/1701475200/1701648000

https://backpack.tf/profiles/76561199061291714#!/compare/1701475200/1701561600

https://backpack.tf/item/13814780686

Untraceable. Gambled afterwards.

#4

https://backpack.tf/profiles/76561198856085540#!/compare/1703548800/1703635200

https://backpack.tf/profiles/76561198886785513#!/compare/1702166400/1704585600

https://backpack.tf/item/11000322034

Untraceable

#5

https://backpack.tf/profiles/76561199416832877#!/compare/1701043200/1701216000

https://backpack.tf/profiles/76561199111292616#!/compare/1700956800/1701043200

https://backpack.tf/item/8129660715

Untraceable

#6

https://backpack.tf/profiles/76561199111292616#!/compare/1701302400/1701388800

https://backpack.tf/profiles/76561199183171982#!/compare/1701302400/1701388800

https://backpack.tf/item/8129660715

Probably a backpack buy

#7

https://backpack.tf/profiles/76561199183171982#!/compare/1701907200/1701993600

https://backpack.tf/profiles/76561199566730968 (no good compare available)

https://backpack.tf/item/8129660715

Could be an alt transfer or something

https://backpack.tf/item/13282304372 - gambled

Marketplace Sales:

https://marketplace.tf/items/tf2/1197;5;u3003

$9.08, November 15th

$8.49, December 19th

https://marketplace.tf/items/tf2/5021;6

Keys were:

$1.73, November 15th

$1.70, December 19th

9.08/1.73 = ~5.24, rounds to 5 keys

8.49/1.7 = ~4.99, rounds to 5 keys

Sellers:

https://imgur.com/a/ZZ9YStv

https://backpack.tf/item/13814780686 - 4 keys

https://backpack.tf/item/11630336959 - 6 keys

https://backpack.tf/item/12989611961 - marketplace

Sales at:

4 (2x)

5 (2x, marketplace)

As high as the sales at 5 may seem, due to them being marketplace sales, there's nothing to indicate that they should be excluded. Keeping 5 in the range.

Taking 4-5 keys.

https://backpack.tf/profiles/76561198064491659#!/compare/1704931200/1705017600

https://backpack.tf/profiles/76561199125108615#!/compare/1704931200/1705017600

https://backpack.tf/item/13814780686

https://gladiator.tf/sales?item=Holy%20Grail%20Taunt:%20The%20Scooty%20Scoot&at=2024-01-12T11:32:05.074Z - labelled as 2 keys + 53.11 ref

Untraceable

https://backpack.tf/profiles/76561199470707750

https://backpack.tf/profiles/76561199061291714#!/compare/1705104000/1705190400

https://backpack.tf/item/11630336959

Untraceable

https://backpack.tf/profiles/76561198065879305#!/compare/1706659200/1706745600

https://backpack.tf/profiles/76561198125791160#!/compare/1706659200/1706745600

https://backpack.tf/item/11735463924

Bulk for Frostbite Baker Boy

https://backpack.tf/profiles/76561198261202700#!/compare/1705708800/1705795200

https://backpack.tf/profiles/76561199377506977#!/compare/1705795200/1705968000 (no prior compare link)

https://backpack.tf/item/11630336959

Untraceable, probably gambled or something.