Update!

Sale 1: https://backpack.tf/profiles/76561198075670723#!/compare/1588550400/1588723200

https://backpack.tf/profiles/76561198413561667#!/compare/1588377600/1588636800

Bulk.

Sale 2: https://backpack.tf/profiles/76561198413561667#!/compare/1588809600/1588896000

https://backpack.tf/profiles/76561198065613492#!/compare/1588809600/1588896000

Qs for 57 pure.

Sale 3: https://backpack.tf/profiles/76561198065613492#!/compare/1588982400/1589068800

https://backpack.tf/profiles/76561198850274253#!/compare/1588982400/1589068800

?

Sale 4: https://backpack.tf/profiles/76561198091233640#!/compare/1588291200/1588377600

https://backpack.tf/profiles/76561198075670723#!/compare/1588291200/1588377600

Sold for a Open Mind Defragmenting Hard Hat 17% (50 keys) + 15 pure.

50 + 15 = 65

Mini for Defrag: https://backpack.tf/suggestion/5eb6fc9f56f81951ad02048f

Classies: https://i.imgur.com/Z9qGnjf.png.

---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Additional by Blaze:

https://imgur.com/a/2RIiXJY

https://backpack.tf/item/4953391647 - seller at 62 has been there for the past month

may be worth including 57 in the range here

Going with 57-65.