Sale 1: 70 Keys.

https://backpack.tf/profiles/76561198859721638#!/compare/1581120000/1581206400

https://backpack.tf/profiles/76561198008793871#!/compare/1581033600/1581206400

Sold for Circling Peace Sign Master's Yellow Belt (38 keys) + Starstorm Slumber Nasty Norsemann (18.5 keys) + Strange Dynamite Abs (3 keys) + Wicked Wood Bat Hat (22.5) = 82 keys.

B/O was 70 keys - https://bot.tf/stats/listings/Y9GEQDDX

Circling Peace Sign Master's Yellow Belt mini:

https://backpack.tf/suggestion/5e8ae3b98c8c492f6d2aa44e

Starstorm Slumber Nasty Norsemann mini:

https://backpack.tf/suggestion/5e8ae7a1f28cc05df15f5481

Sale 2: Untrace.

https://backpack.tf/profiles/76561198012008613#!/compare/1581552000/1581638400

https://backpack.tf/profiles/76561198320772186#!/compare/1581638400/1581984000

Sale 3: 100 Keys.

https://backpack.tf/profiles/76561198158206236#!/compare/1584489600/1584576000

https://backpack.tf/profiles/76561198416282143#!/compare/1584489600/1584576000

Sold for Circling Peace Sign Master's Yellow Belt (38 keys) + Sunbeams Swagman's Swatter (62.5 keys) + 6 keys = 106.5 keys.

B/O 100 keys - https://bot.tf/stats/listings/YD1LL39V

Sale 4: Use there.

https://backpack.tf/profiles/76561198416282143#!/compare/1584662400/1584748800

https://backpack.tf/profiles/76561198090520837#!/compare/1584662400/1584748800

Sold with Holy Grail Taunt: I See You + (2.35 keys) + Hot Festivized Professional Killstreak Low Profile SMG (Field-Tested) + Purple Confetti Head Hedge for a Circling Heart Master's Yellow Belt.

Sale 5: 95 Keys Pure.

https://backpack.tf/profiles/76561198090520837#!/compare/1585008000/1585094400

https://backpack.tf/profiles/76561198262196845#!/compare/1584921600/1585094400

https://marketplace.tf/items/tf2/110;5;u15

Sale 6: 41 Keys. (Bellow buyers/QS)

Feb 14 $70.95 / $1.75 = 40.54 keys

Couldn't find the history.

Sale 7: 85 Keys.

Feb 17 $149.99 / $1.77 = 84.74 keys

Couldn't find the history.

Sales: 41/70/85/95/100

Going with 70-100 keys.