Credit to Xergoyf

History 1: https://backpack.tf/item/4312163241

Transferred between Quicksell.store bots

History 2: https://backpack.tf/item/3679123331

Marketplace.tf sale: https://marketplace.tf/items/tf2/1119;5;u302

August 25 2020: $13.99 (key=$1.83, 7.64 keys) ~7.5 keys

Xergoyf's extra bit:

New sale:

https://backpack.tf/profiles/76561198850274253#!/compare/1600646400/1600732800

https://backpack.tf/profiles/76561199017930984#!/compare/1600560000/1600732800

https://bot.tf/stats/listings/Y3WK9K51 - b/o was 7

https://bot.tf/stats/listings/Y5ZXZED3 - earlier b/o of 6, but since it is a bot, it wouldn't of accepted 6 after the price went up, so using 6 makes no sense, so that sale can cap at 7.

DP Halogen (buyers at 6) + 1 pure

https://bot.tf/stats/listings/M19PGRN0 - b/o was 5 on the 7.5 mp sale

https://backpack.tf/profiles/76561198358296372#!/compare/1595462400/1596067200 - transferred to mp

https://backpack.tf/item/4312163241 - ~4.5 b/o on Anthuan but it sold untrace.

New sale on mannco.store

https://mannco.store/item/16259

https://mannco.store/item/1

https://backpack.tf/item/3479384177

7.44/1.7 = 4.37 ~4.5 (rounding to nearest 0.5 keys since the median is over 5)

4.5-7 it is