Green thing

Sale 1:

https://backpack.tf/profiles/76561198091502579#!/compare/1550188800/1550275200

https://backpack.tf/profiles/76561198119634686#!/compare/1550188800/1550275200

Presumably, a quickbuy. Not going to use this sale: https://imgur.com/a/uxe14RS

Sale 2:

https://backpack.tf/profiles/76561198119634686#!/compare/1548201600/1548288000

https://backpack.tf/profiles/76561198072766994#!/compare/1548201600/1548288000

Unclear (It was sold for keys. But, Cheerful bought it with another unusual and keys are missing).

Sale 3:

https://backpack.tf/profiles/76561198072766994#!/compare/1546387200/1546473600

https://backpack.tf/profiles/76561198061182096#!/compare/1546387200/1546473600

= 60 keys

Sale 4:

https://backpack.tf/profiles/76561198200475465#!/compare/1549497600/1549584000

https://backpack.tf/profiles/76561198148511293#!/compare/1549497600/1549584000

Bulky

Sale 5:

https://backpack.tf/profiles/76561198126777328#!/compare/1548633600/1549152000

https://backpack.tf/profiles/76561198148511293#!/compare/1549065600/1549152000

No valid sales for the Burning Flames Rebel Rouser for a mini (that I could find anyway)

Sale 6:

https://backpack.tf/profiles/76561198306288794#!/compare/1544832000/1544918400

https://backpack.tf/profiles/76561198126777328#!/compare/1544832000/1544918400

= Green Energy Screamin' Eagle (60 keys) + 8 keys

= 68 keys

Summary: 60, 68

Conclusion: Pricing at a 60-68 key range. Other sales not used as individually explained above.