Sellers @5 Buyers @4.15

#1 3/17 14.99/1.92=7.81

https://marketplace.tf/items/tf2/31290;5;u3123

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

#2 2/27 8.99/1.88=4.78

https://marketplace.tf/items/tf2/31290;5;u3123

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

#3 SCM sale (me) 5/1 13.80/2.42=5.70

https://imgur.com/a/NLdy3Ew

https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20The%20Travel%20Agent

https://steamcommunity.com/market/listings/440/Mann%20Co.%20Supply%20Crate%20Key

#4 Unclear

https://backpack.tf/item/13460964429

https://backpack.tf/profiles/76561198060189392#!/compare/1773100800/1773187200

#5 Unclear and/or mannco dump

https://backpack.tf/item/13397783343

https://backpack.tf/profiles/76561198045466865#!/compare/1775088000/1775174400

#6 Unclear

https://backpack.tf/profiles/76561199011076258#!/compare/1775088000/1775520000

#7 Unclear

https://backpack.tf/profiles/76561198150028800#!/compare/1772928000/1773792000

https://backpack.tf/profiles/76561198311498888#!/compare/1773446400/1773532800

#8 Unclear

https://backpack.tf/profiles/76561198289244813#!/compare/1772841600/1773792000

https://backpack.tf/profiles/76561198311498888#!/compare/1772841600/1772928000

#9 mannco dump

https://backpack.tf/item/13275583243

#10 Appears to be 3 keys at first but the histories don't match

https://backpack.tf/item/12205912903

https://backpack.tf/profiles/76561198121518467#!/compare/1772323200/1772409600

https://backpack.tf/profiles/76561199536459741#!/compare/1772236800/1772323200

4.78, 5.70, 7.81, one of these things is not like the others, taking 4.78-5.70

https://forums.backpack.tf/topic/6033-rules-for-unusual-price-suggestions/

Rule - for all unusuals 5-10 keys, please round to the nearest 0.5 keys. No other decimals are allowed.

Rounding to 5-5.5 per the rules