https://backpack.tf/profiles/76561197962050179#!/compare/1629244800/1629763200

https://backpack.tf/profiles/76561198859721638#!/compare/1629158400/1629244800

Bulk

https://backpack.tf/profiles/76561198859721638#!/compare/1629417600/1629504000

https://backpack.tf/profiles/76561198426717096#!/compare/1629417600/1629504000

collector's pro ks bazaar bargain, has buyers at 39 keys+

also this rocket is pro ks

https://backpack.tf/profiles/76561198426717096#!/compare/1629417600/1629504000

https://backpack.tf/profiles/76561198057355049#!/compare/1629417600/1629504000

untraceable

https://backpack.tf/profiles/76561198057355049#!/compare/1630454400/1630540800

https://backpack.tf/profiles/76561198050321539#!/compare/1630281600/1630540800

untraceable

https://backpack.tf/profiles/76561198050321539#!/compare/1630800000/1630886400

https://backpack.tf/profiles/76561199061074522#!/compare/1630800000/1630886400

Isotope Tiger Buffed Rocket Launcher (Well-Worn)

https://backpack.tf/profiles/76561199061074522#!/compare/1634169600/1634688000

https://backpack.tf/profiles/76561197994697258#!/compare/1634083200/1634169600

Bulk

also all of the ones above are for the pro ks variant of this

the pro ks currently listed at $83.99

https://marketplace.tf/items/tf2/205;15;u701;w3;pk240;kt-3

https://backpack.tf/profiles/76561198034858550#!/compare/1626220800/1627516800

https://backpack.tf/profiles/76561198064658655#!/compare/1627430400/1627516800

23 key buy order, no KS

https://marketplace.tf/items/tf2/205;15;u701;w3;pk240

https://backpack.tf/item/8712175285

$59.99 / $1.87 = 32.08 keys

took me 3 months to sell, the bazaar one at 39+ is certainly an outlier

going with 32 keys