Sale 1:

Bulk

https://backpack.tf/profiles/76561199177896432#!/compare/1641168000/1641254400

Sale 2:

Bulk

https://backpack.tf/profiles/76561199177896432#!/compare/1637107200/1637280000

Sale 3:

Bulk

https://backpack.tf/profiles/76561198027610614#!/compare/1640044800/1640131200

Sale 4:

Sold for B/O of 45 keys pure together with MW Kill Covered war paint.

Bulk sale, but each item was sold for full pure b/o: https://i.imgur.com/trWsH5X.png . I think it can be considered as independent sale in terms of pricing

https://backpack.tf/profiles/76561198053700606#!/compare/1641427200/1641513600

Sale 5:

Sold for Strange Raving Dead Iron Bomber (Factory New) (20 keys) + Strange Butcher Bird Minigun (Factory New) (~33.5) + Strange Snow Sleeves (1.5 keys)

55 keys total

https://backpack.tf/profiles/76561198258937500#!/compare/1640563200/1640649600

Minis:

Raving Dead Iron Bomber (Factory New):

20 keys

https://backpack.tf/suggestion/61b60addf248815cbd7f60bb

Butcher Bird Minigun:

~33.5 keys on scm

https://steamcommunity.com/market/pricehistory/?country=US&currency=1&appid=440&market_hash_name=Strange%20Butcher%20Bird%20Minigun%20%28Factory%20New%29