Update! 2nd time in a row!

Sale 1: https://backpack.tf/profiles/76561198146627532#!/compare/1546646400/1546732800

https://backpack.tf/profiles/76561198125791160#!/compare/1546646400/1546732800

125 pure it seems.

Sale 2: https://backpack.tf/profiles/76561198146627532#!/compare/1547856000/1547942400

https://backpack.tf/profiles/76561198346664888#!/compare/1547856000/1547942400

Will use on the Nun.

Sale 3: https://backpack.tf/profiles/76561198142716021#!/compare/1548028800/1548115200

https://backpack.tf/profiles/76561198074625962#!/compare/1548028800/1548115200

Sold with a Acidic Bubbles of Envy Taunt: Mannrobics (18 keys) for a duped (CREDITS TO CHEERIO FOR POINTING OUT THAT ITS DUPED) Purple Energy Charmer's Chapeau (93 keys) + 1 key

(93 + 1) - 18 = 76

Mini for the taunt (credits to KFC): https://i.imgur.com/gXHOTXo.png

Mini for the duped Charmers:

Sale 1: https://backpack.tf/profiles/76561198095862827#!/compare/1548633600/1548720000 - 92 pure.

Sale 2: https://backpack.tf/profiles/76561198096802308#!/compare/1548633600/1548720000

https://backpack.tf/profiles/76561198083288968#!/compare/1548633600/1548720000

Sold for a Steaming Merc's Mohawk (35 keys) + a Terror-Watt Modest Metal Pile of Scrap (20 keys) + a Circling TF Logo Vintage Merryweather (18 keys) + a Dead Presidents Large Luchadore (16 keys) + a Mega Strike Taunt: Battin' a Thousand (4 keys)

35 + 20 + 18 + 16 + 4 = 93

Mini for the Merry: https://backpack.tf/suggestion/5c576a8ccf6c751f0e74da4f

Mini for the Lucha: https://backpack.tf/suggestion/5c576be244325a33bf6c8c74

Mini for the taunt: https://marketplace.tf/items/1117;5;u3010 - 7.49/1.79 = ~4, classies: https://i.imgur.com/ePqdngK.png.

Sale 4: https://backpack.tf/profiles/76561198074625962#!/compare/1548720000/1548806400

https://backpack.tf/profiles/76561198116139337#!/compare/1548720000/1548806400

Sold with a The Intangible Ascot (lol) for a Haunted Ghosts Le Party Phantom (71 keys) + 38 pure.

71 + 38 = 109

Mini for the Phantom: https://backpack.tf/profiles/76561198804997027#!/compare/1541289600/1541376000

https://backpack.tf/profiles/76561198232041512#!/compare/1541289600/1541376000

Sold for a Burning Flames Familiar Fez (63 keys) + 8 pure.

63 + 8 = 71

Mini for Fez: https://backpack.tf/profiles/76561198232041512#!/compare/1545177600/1545264000

Sold for a duped Purple Energy Cosa Nostra Cap (60 keys) + 3 pure

60 + 3 = 63

Mini for the Cosa: https://backpack.tf/profiles/76561198232041512#!/compare/1546128000/1546214400 - Sold for 60 pure.

Sale 5: https://backpack.tf/profiles/76561198346664888#!/compare/1547942400/1548028800

https://backpack.tf/profiles/76561198142716021#!/compare/1547942400/1548028800

Sold with sum ref in adds for a duped Purple Energy Flamboyant Flamenco (87 keys) + a Fountain of Delight Taunt: The Balloonibouncer (13 keys) + a Roaring Rockets Taunt: Square Dance (8 keys) + ~19 in adds.

87 + 13 + 8 + 19 = 127

Mini for the duped Flamboye: https://backpack.tf/profiles/76561198139831684#!/compare/1543536000/1543708800

https://backpack.tf/profiles/76561198137566942#!/compare/1543622400/1543708800

Sold with ~3 keys in adds for a Nether Trail Prehistoric Pullover (90 keys)

90 - 3 = 87

Mini for taunt 1:

Sale 1: https://marketplace.tf/items/30763;5;u3005 - 24.89/1.74 = ~14

Sale 2: https://marketplace.tf/items/30763;5;u3005 - 24.95/1.72 = ~14

Sale 3: https://marketplace.tf/items/30763;5;u3005 - 24.99/1.73 = ~14

Sale 4: https://marketplace.tf/items/30763;5;u3005 - 24.99/1.71 = ~15

Sale 5: https://marketplace.tf/items/30763;5;u3005 - 24.99/1.70 = ~15

Sale 6: https://marketplace.tf/items/30763;5;u3005 - 27.99/1.79 = ~16

Sale 7: https://marketplace.tf/items/30763;5;u3005 - 18.85/1.75 = ~11

Sale 8: https://marketplace.tf/items/30763;5;u3005 - 16.96/1.81 = ~9

Classies: https://i.imgur.com/OnjYXSP.png. Taking 11-15 (13).

Mini for taunt 2: https://marketplace.tf/items/1106;5;u3020 - 14/1.75 = 8, classies: https://i.imgur.com/kqAJOuS.png

New sale, credits to 42:

https://backpack.tf/profiles/76561198168863803#!/compare/1550102400/1550188800

https://backpack.tf/profiles/76561198178755926#!/compare/1550102400/1550188800

So, the sale was Circling TF Logo Exquisite Rack (77 keys) + a Circling TF Logo Towering Pillar of Hats (25 keys) + a Circling TF Logo Big Country (16 keys) + ~15 in adds.

77 + 25 + 16 + 15 = 133

B/O was 120: https://i.imgur.com/ODKEtTa.png

Mini for the Rack: https://backpack.tf/profiles/76561198107260155#!/compare/1549584000/1549843200

Sold for a Green Energy Fruit Shoot (29 keys) + a Strange Stormy Storm Anger (32 keys) + ~16 in adds

29 + 32 + 16 = 77

Mini for the Noble:

Sale 1: https://backpack.tf/profiles/76561198808556684#!/compare/1545523200/1545696000 - 25 pure.

Sale 2: https://backpack.tf/profiles/76561198337734785#!/compare/1543881600/1543968000 - 24 pure.

Classies: https://i.imgur.com/9qvYM32.png

Mini for Country: https://backpack.tf/profiles/76561198035884807#!/compare/1548460800/1548633600 - appears to be 16 pure.

Sale fits in the range.

Additional by Blaze:

https://backpack.tf/profiles/76561198178755926#!/compare/1551139200/1551225600

https://backpack.tf/profiles/76561198004517334#!/compare/1551052800/1551139200 - sold for Strange Starstorm Insomnia Killer Exclusive

mini for the purple energy charmers looks low. here's another sale on that:

https://imgur.com/a/0e3MEtb

https://backpack.tf/profiles/76561198096802308#!/compare/1550016000/1550188800 - sold for Death at Dusk Charmer's Chapeau + Holy Grail Taunt: Rock, Paper, Scissors + 2 keys = 120 keys b/o

here's a better mini for the fod taunt: https://backpack.tf/suggestion/5c6c667244325a312a2baee9 (9-13 would be better)

this doesn't effect sale 5 though since it's so minimal

Going with a range of 85-125.