Resuggesting, thanks Shuffle.

Sales

Sale 1: Sold for 26 keys + Aces High Tundra Top (15 keys)

https://backpack.tf/profiles/76561198088639894#!/compare/1592697600/1596153600

https://backpack.tf/profiles/76561198065749444#!/compare/1596067200/1596153600

26 + 15 = 41 keys

Sale 2: Sold for 40 keys?

https://backpack.tf/profiles/76561198152451196#!/compare/1600473600/1600819200

https://backpack.tf/profiles/76561198206567572#!/compare/1600732800/1600819200

Histories dont match, but it makes sense..

Sale 3: Sold for Enchanted Taunt: Panzer Pants (24 keys) + DP Fruit Shoot (7.5 keys)+ 5 keys

https://backpack.tf/profiles/76561198136556581#!/compare/1599868800/1599955200

https://backpack.tf/profiles/76561198152451196#!/compare/1599609600/1599868800

24 + 7.5 + 5 = 36.5 rounding to 37 keys

DP Fruit Shoot: https://backpack.tf/suggestion/5fa62f3075951a724253b894

Sale 4: Sold for GE Festive Tree (41 keys) + 2 keys + 30 refined

https://backpack.tf/profiles/76561198275222296#!/compare/1598486400/1599177600

https://backpack.tf/profiles/76561198136556581#!/compare/1598400000/1598486400

44 keys~

Sale 5: Sold for a Spellbound Strongarm (21.5~) + Nuts Tank (12) + 4 Keys

https://backpack.tf/profiles/76561198065749444#!/compare/1602547200/1602633600 -

38 keys~

Sale 6: Bulk

https://backpack.tf/profiles/76561198122522362#!/compare/1602547200/1602633600

Sale 7: Untrace

https://backpack.tf/profiles/76561198062716217#!/compare/1601424000/1601510400

Strongarm Sales:

https://backpack.tf/profiles/76561198038816671#!/compare/1602374400/1602460800 - Sold for a C. Heart Brain Interface (13 Keys) + Nuts Tank

https://backpack.tf/profiles/76561198065749444#!/compare/1603756800/1603843200 - Probably 24 Keys

https://marketplace.tf/items/tf2/30844;5;u3043 - $34.99 (19 Keys)

That will make the Strongarm/Tank sale fit in the range for this Crocleather.

Marketplace sales

https://marketplace.tf/items/tf2/344;5;u9

Nothing recent.

Current Classifieds

https://backpack.tf/classifieds?item=Fruit%20Shoot&quality=5&tradable=1&craftable=1&australium=-1&particle=60&killstreak_tier=0

https://gyazo.com/f42b0ca2d3e97474da9e4eacaf621407

Summary

Sales at 37, 38, 40 (likely), 41, and 44.

Conclusion

Going with 37-44 here.

Take it easy.