Sale 1:

https://backpack.tf/profiles/76561198024849962#!/compare/1569974400/1571616000

https://backpack.tf/profiles/76561198363395191#!/compare/1571529600/1571616000

Sold for ~10 keys (QS)

Sale 2:

https://backpack.tf/profiles/76561198283287697#!/compare/1565654400/1565827200

https://backpack.tf/profiles/76561198169946681#!/compare/1565913600/1566259200

SCM

sale 3:

https://backpack.tf/profiles/76561198414976747#!/compare/1568851200/1569110400

https://backpack.tf/profiles/76561198377165880#!/compare/1569024000/1569110400

Bulk

Sale 4:

https://backpack.tf/profiles/76561198127565155#!/compare/1565913600/1566518400

https://backpack.tf/profiles/76561198379415741#!/compare/1567296000/1569024000

https://backpack.tf/profiles/76561198066570624#!/compare/1568937600/1569024000

Untrace

Sale 5:

https://backpack.tf/profiles/76561198912836088#!/compare/1569974400/1570060800

https://backpack.tf/profiles/76561198154782261#!/compare/1569888000/1570060800

https://backpack.tf/profiles/76561198258264645#!/compare/1569974400/1570060800

Untrace

Sale 6:

https://backpack.tf/profiles/76561198258264645#!/compare/1570233600/1570320000

https://backpack.tf/profiles/76561198232041512#!/compare/1570233600/1570320000

Sold for ~11 keys

Sale 7:

https://backpack.tf/profiles/76561198017954131#!/compare/1569888000/1570060800

https://backpack.tf/profiles/76561198168863803#!/compare/1569974400/1570060800

Untrace

Sale 8:

https://backpack.tf/profiles/76561198028320526#!/compare/1567036800/1567296000

https://backpack.tf/profiles/76561198064490192#!/compare/1567296000/1567641600

Sold for 15 keys

Sale 9:

https://backpack.tf/profiles/76561197964171516#!/compare/1570147200/1570233600

https://backpack.tf/profiles/76561198083088792#!/compare/1570233600/1570320000

Sold for Neutron Norsemann(22)

https://bot.tf/stats/listings/4W68JV95

B/O of 18 keys, capping

sale 10:

https://backpack.tf/profiles/76561198083088792#!/compare/1570492800/1570579200

https://backpack.tf/profiles/76561198242646048#!/compare/1570492800/1571270400

Sold with ~1 key in sweets for Stormy Climbing

doesn't show up in compare, its their in the inventory.

Climbing Mini:

https://backpack.tf/suggestion/5dacce906780722c2e356a53

Suggestion for 16 keys

Total is 15 keys

Sale 11:

https://backpack.tf/profiles/76561198025734601#!/compare/1568160000/1568246400

https://backpack.tf/profiles/76561198004517334#!/compare/1567296000/1568160000

Bulk

Sale 12:

https://backpack.tf/profiles/76561198341171690#!/compare/1566777600/1566864000

https://backpack.tf/profiles/76561197994660517#!/compare/1566777600/1566864000

Keys

sale 13, 14:

https://marketplace.tf/items/tf2/31000;5;u117

$35.99 / $1.83 = 19.67 keys

$32 / $1.82 = 17.58 keys

Total sales @:

10, 11, 15, 15, 17.58, 18, 19.67 keys

buyers up to ~11 keys,

https://bot.tf/stats/listings/4JG3PWN9

month unsold for 18 keys,

seller for 15 is new: https://bot.tf/stats/listings/4JGZND5V

seller for ~18 keys dropped from 18: https://bot.tf/stats/listings/4ZKEJEZX

seller for 17 unsold for around a week: https://bot.tf/stats/listings/4W6J07G5

calling 11 low,

19 high,

Taking 15 - 18 keys.