Update!

Sale 1: https://backpack.tf/profiles/76561198342161127#!/compare/1573344000/1573430400

https://backpack.tf/profiles/76561198068361622#!/compare/1573430400/1573516800

Sold for 60 keys pure + 3 in sweets.

60 + 3 = 63.

Sale 2: https://backpack.tf/profiles/76561198115181281#!/compare/1572480000/1572566400

https://backpack.tf/profiles/76561198337734785#!/compare/1572480000/1572566400

Qs.

Sale 3: https://backpack.tf/profiles/76561198337734785#!/compare/1572652800/1572739200

https://backpack.tf/profiles/76561198012083339#!/compare/1572652800/1573516800

?

Sale 4: https://backpack.tf/profiles/76561198306288794#!/compare/1566259200/1566345600

https://backpack.tf/profiles/76561198035499016#!/compare/1566086400/1566345600

58 pure.

Sale 5: https://backpack.tf/profiles/76561198035499016#!/compare/1573257600/1573516800

https://backpack.tf/profiles/76561198103217423#!/compare/1573430400/1573516800

Sold for a clean Sunbeams Little Buddy + 10 pure. Use there.

Sale 6: https://backpack.tf/profiles/76561198103217423#!/compare/1573516800/1573603200

https://backpack.tf/profiles/76561197991111981#!/compare/1573516800/1573603200

Qs, unsure about the amount.

Sale 7: https://backpack.tf/profiles/76561197991111981#!/compare/1573603200/1573689600

https://backpack.tf/profiles/76561198120672630#!/compare/1573603200/1573689600

Some double qs.

Sale 8: https://backpack.tf/profiles/76561198120672630#!/compare/1573689600/1573776000

https://backpack.tf/profiles/76561198029130763#!/compare/1573516800/1573776000

Sold with Disco Beat Down Counterfeit Billycock for It's A Secret To Everybody Scotsman's Stove Pipe

Sale 9: https://backpack.tf/profiles/76561198029130763#!/compare/1573776000/1573862400

https://backpack.tf/profiles/76561198337734785#!/compare/1573776000/1573862400

Qs to Zol, best to not use either sales.

Sale 10: https://backpack.tf/profiles/76561198067170152#!/compare/1568937600/1569024000

https://backpack.tf/profiles/76561198151434282#!/compare/1568937600/1569024000

Sold for a Blizzardy Storm Coldfront Commander, use there.

Sale 11: https://backpack.tf/profiles/76561198151434282#!/compare/1568937600/1569024000

https://backpack.tf/profiles/76561198859721638#!/compare/1568937600/1569024000

Qs for 42 pure.

Sale 12: https://backpack.tf/profiles/76561198859721638#!/compare/1569283200/1569369600

https://backpack.tf/profiles/76561198235159048#!/compare/1569283200/1569369600

Sold for a The Eldritch Opening Tank Top (34 keys) + a Abduction A Head Full of Hot Air (11 keys)

34 + 11 = 45

Sale 13: https://backpack.tf/profiles/76561198235159048#!/compare/1569369600/1569456000

https://backpack.tf/profiles/76561198142110950#!/compare/1569024000/1569456000

Qs for 53.

Sale 14: https://backpack.tf/profiles/76561198142110950#!/compare/1569024000/1569456000

https://backpack.tf/profiles/76561198134238543#!/compare/1569369600/1569456000

Sold with 4 keys for a clean Haunted Ghosts Starboard Crusader (46 keys)

46 - 4 = 42

Sale 15: https://backpack.tf/profiles/76561198134238543#!/compare/1569888000/1569974400

https://backpack.tf/profiles/76561198045614276#!/compare/1569888000/1569974400

46 pure.

Sale 16: https://marketplace.tf/items/tf2/30987;5;u17 - 94.99/1.79 = ~53

Was unsold for 2 months: https://i.imgur.com/T1Hgb9c.png

https://webcache.googleusercontent.com/search?q=cache:-7dK9YLcsHcJ:https://backpack.tf/stats/Unusual/Burning%2520Question/Tradable/Craftable/17+&cd=1&hl=et&ct=clnk&gl=ee

Sales: 63, 58, 45, 42, 46 and 50. And qs at 42 and 53. Classies: https://i.imgur.com/s9J9iwN.png. 42-50 seems right.