Don't mind me, I only own 2.

Sales

Sale 1: Sold for 34 keys

https://gyazo.com/86de28afeb1784d5382e579e890cc27d

https://backpack.tf/item/3371851739

Sale 2: Sold for Steaming Citizen Cane (16 keys) + 16 keys

https://gyazo.com/dec0886889fac459f48256749f18d28f

https://backpack.tf/item/271258731

16 + 16 = 32 keys

Buyout was 34 keys

https://bot.tf/stats/listings/4KVKWXP1

Sale 3: Untrace

https://backpack.tf/profiles/76561198084270834#!/compare/1599264000/1599609600

https://backpack.tf/profiles/76561198081134041#!/compare/1597276800/1599436800

Sale 4: Untrace

https://backpack.tf/profiles/76561198136097697#!/compare/1594684800/1595462400

https://backpack.tf/profiles/76561198084270834#!/compare/1584748800/1597017600

Sale 5: Untrace

https://backpack.tf/profiles/76561198337734785#!/compare/1599782400/1599868800

https://backpack.tf/profiles/76561198170150090#!/compare/1598745600/1602028800

Buyout was about 33 keys~

https://bot.tf/stats/listings/MXX91LZ6

Sale 6: Sold to buyorder

https://backpack.tf/profiles/76561198136744617#!/compare/1598832000/1598918400

https://backpack.tf/profiles/76561198337734785#!/compare/1598832000/1598918400

Buyorder was about 28 keys~

https://bot.tf/stats/listings/42928O9V

Sale 7: Untrace

https://backpack.tf/profiles/76561198002186909#!/compare/1598832000/1598918400

https://backpack.tf/profiles/76561198136744617#!/compare/1598745600/1598832000

Marketplace sales

https://marketplace.tf/items/tf2/249;5;u14

October

53 on October 10 (53/1.88 = 28~)

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

https://manic.tf/keyprice/?at=2020-10-10

Current Classifieds

https://backpack.tf/classifieds?item=Bombing%20Run&quality=5&tradable=1&craftable=1&australium=-1&particle=14&killstreak_tier=0

https://gyazo.com/81d532bb08cda6225d4eacf6d4963867

Summary

Sales at 28, 32, 33 (possibly), and 34.

Marketplace sales at 28.

Conclusion

Buyers up to 30, excluding 28 as low outliers.

Going with 32-34 here.

Take it easy.