Only recent sale:

https://backpack.tf/item/8158501864

Sold for $750 cash

https://backpack.tf/trust/76561197971508029

Screenshot of the purchase from the buyer

https://i.imgur.com/aqmOQ4h.png

$750/$1.64 = 457

rounding to 460

Mini for the cash price of keys:

key sales in the last week:

$1.61

https://forums.backpack.tf/topic/76871-buying-keys-161-each-buying-special-keys-ref-tools-backpacks-paypal/

https://backpack.tf/trust/76561198031258757

700

63

500

1263

$1.65

https://forums.backpack.tf/topic/79304-buying-backpacks-and-keys-165-via-paypal-no-rep-needed-10000-in-stock/

https://backpack.tf/trust/76561198030343929

20

200

29

400

137

https://forums.backpack.tf/topic/76949-selling-keys-for-zelle-no-fees-crypto-possibly-no-fees-venmo-no-fees-cash-app-no-fees-for-165-100%E2%80%99s-to-1000%E2%80%99s-in-stock-100000-keys-in-recent-rep-with-200-trust-no-paypal/

https://backpack.tf/trust/76561198120347528

100

49

600

50

400

80

250

180

+more from return buyers

2495+

$1.66

https://forums.backpack.tf/topic/78488-buying-keys-for-166-paypal/

https://backpack.tf/trust/76561198306145097

15

98

113

$6337.76/3781 = $1.637 rounds to $1.64

This one sold to a collector who has no plans to sell it any time soon.