Sale 1:

https://backpack.tf/profiles/76561198050052801#!/compare/1555977600/1556064000

https://backpack.tf/profiles/76561198138750273#!/compare/1555977600/1557187200

Sold for ST Burst + 4 keys

Use there

Sale 2:

https://backpack.tf/profiles/76561198411260762#!/compare/1557619200/1557705600

https://backpack.tf/profiles/76561198912188810#!/compare/1557705600/1557878400

https://backpack.tf/profiles/76561198342161127#!/compare/1557619200/1557705600

Untrace

Sale 3:

https://backpack.tf/profiles/76561198412429210#!/compare/1555632000/1555977600

https://backpack.tf/profiles/76561198035512290#!/compare/1555632000/1555718400

Sold for 9 keys? keys may have been used to unbox, but can't prove...

Sale 4:

https://backpack.tf/profiles/76561198323565601#!/compare/1558396800/1558483200

https://backpack.tf/profiles/76561198105155926#!/compare/1558396800/1558483200

Sold for 11 keys

Sale 5:

https://backpack.tf/profiles/76561198060124790#!/compare/1558051200/1558310400

https://backpack.tf/profiles/76561198323565601#!/compare/1558224000/1558310400

Sold for ~7 keys

Sale 6:

https://backpack.tf/profiles/76561198038222819#!/compare/1553817600/1554422400

https://backpack.tf/profiles/76561198855590914#!/compare/1553212800/1554422400

Bulk

Sale 7:

https://backpack.tf/item/6688700889

Not unusual in usable sale

Sale 8:

https://backpack.tf/profiles/76561198869784973#!/compare/1555200000/1556582400

https://backpack.tf/profiles/76561198010763813#!/compare/1555372800/1555459200

SCM

Sale 9:

https://backpack.tf/profiles/76561198010763813#!/compare/1556150400/1556236800

https://backpack.tf/profiles/76561198171048015#!/compare/1556150400/1556409600

Sold for 10 keys

sale 10:

https://backpack.tf/profiles/76561198394484957#!/compare/1551484800/1551571200

https://backpack.tf/profiles/76561198310752705#!/compare/1551484800/1551571200

https://backpack.tf/profiles/76561198089449160#!/compare/1551398400/1551657600

Not unusual

sale 11:

https://backpack.tf/profiles/76561198340634356#!/compare/1557273600/1557360000

https://backpack.tf/profiles/76561198202729136#!/compare/1557273600/1557619200

Keys

Sale 12:

https://backpack.tf/profiles/76561198050052801#!/compare/1557619200/1557705600

https://backpack.tf/profiles/76561198056285342#!/compare/1557619200/1557705600

Sold for TW Blast + ~2 keys in sweets

Use there

Sale 13:

https://backpack.tf/profiles/76561198056285342#!/compare/1558483200/1558569600

https://backpack.tf/profiles/76561198058232319#!/compare/1558396800/1558483200

Untrace

Sale 14:

https://backpack.tf/profiles/76561198058232319#!/compare/1558483200/1558569600

https://backpack.tf/profiles/76561198353056841#!/compare/1558483200/1558569600

Untrace

Sale 15:

https://backpack.tf/profiles/76561198353056841#!/compare/1558656000/1558742400

https://backpack.tf/profiles/76561198049322925#!/compare/1558656000/1558742400

https://backpack.tf/profiles/76561198240126938#!/compare/1558656000/1558742400

Untrace

Sale 16:

https://backpack.tf/profiles/76561198123146104#!/compare/1554076800/1554163200

https://backpack.tf/profiles/76561197995029705#!/compare/1554076800/1554163200

Sold for ~7 keys

Sale 17:

https://backpack.tf/profiles/76561198195931482#!/compare/1555545600/1555718400

https://backpack.tf/profiles/76561198827261786#!/compare/1555632000/1555718400

SCM

Sale 18:

https://backpack.tf/profiles/76561198827261786#!/compare/1556841600/1556928000

https://backpack.tf/profiles/76561198323565601#!/compare/1556841600/1556928000

Sold for ~8 keys

Sale 19:

https://backpack.tf/profiles/76561198323565601#!/compare/1556841600/1556928000

https://backpack.tf/profiles/76561198135495980#!/compare/1556496000/1556928000

Sold for 10 keys

Sale 20:

https://backpack.tf/item/5511026466

Not unusual before being sold to bot.

Sale 21:

https://backpack.tf/profiles/76561198358492438#!/compare/1553558400/1553817600

https://backpack.tf/profiles/76561198141629801#!/compare/1552694400/1553644800

Not unusual

Sale 22:

https://backpack.tf/profiles/76561198141629801#!/compare/1553644800/1553731200

https://backpack.tf/profiles/76561198111475184#!/compare/1553212800/1553644800

Sold for 8 keys, or Trans. can't tell....

Sale 23:

https://backpack.tf/profiles/76561198267652983#!/compare/1551657600/1551744000

https://backpack.tf/profiles/76561198453417865#!/compare/1551657600/1551744000

QS?

Sale 24:

https://backpack.tf/profiles/76561198453417865#!/compare/1552694400/1552780800

https://backpack.tf/profiles/76561198328041581#!/compare/1552780800/1556064000

Keys....

Sale 25:

https://backpack.tf/profiles/76561198879777132#!/compare/1552867200/1554595200

https://backpack.tf/profiles/76561198074080874#!/compare/1552780800/1552867200

https://backpack.tf/profiles/76561198052358751#!/compare/1553817600/1554940800

Unusual

Sale 26:

https://backpack.tf/profiles/76561198027603870#!/compare/1555200000/1555372800

https://backpack.tf/profiles/76561198101623903#!/compare/1555113600/1555372800

Sold for 12 keys

Sale 27:

https://backpack.tf/profiles/76561198318531659#!/compare/1551484800/1551571200

https://backpack.tf/profiles/76561198122260491#!/compare/1551052800/1551571200

Sold for 11 keys

Sale 28:

https://backpack.tf/profiles/76561198122260491#!/compare/1551571200/1552348800

https://backpack.tf/profiles/76561197999378162#!/compare/1551139200/1555632000

???

Sale 29:

https://backpack.tf/profiles/76561198207550427#!/compare/1552953600/1553126400

https://backpack.tf/profiles/76561198280357510#!/compare/1552953600/1553040000

Untrace

Sale 30:

https://backpack.tf/profiles/76561198280357510#!/compare/1556841600/1556928000

https://backpack.tf/profiles/76561198087186146#!/compare/1556841600/1556928000

Sold for 9 keys

Sale 31:

https://backpack.tf/profiles/76561198087186146#!/compare/1556841600/1556928000

https://backpack.tf/profiles/76561198362256392#!/compare/1556755200/1556928000

Sold for ~9 keys

Sale 32:

https://backpack.tf/profiles/76561198362256392#!/compare/1556928000/1557014400

https://backpack.tf/profiles/76561198934156457#!/compare/1556928000/1557014400

Sold for Festivized Sniper

Sale 33:

https://backpack.tf/profiles/76561198934156457#!/compare/1557014400/1557187200

https://backpack.tf/profiles/76561198340829257#!/compare/1557014400/1557187200

Sold for 8 keys

Sale 34:

https://backpack.tf/profiles/76561198340829257#!/compare/1557273600/1557360000

https://backpack.tf/profiles/76561198822684530#!/compare/1557273600/1557360000

Sold with 4 keys for C9 Tundra

tundra Mini:

https://backpack.tf/suggestion/5ce187b5d3817258de23ade2

Suggestion for 31 keys

Total is 27 keys

sale 35:

https://backpack.tf/profiles/76561198305676157#!/compare/1554508800/1554595200

https://backpack.tf/profiles/76561198815593082#!/compare/1554508800/1554681600

Sold for 12 keys (total # shown under bot.tf)

sale 36:

https://backpack.tf/profiles/76561198815593082#!/compare/1556323200/1556582400

https://backpack.tf/profiles/76561198886563850#!/compare/1556236800/1556323200

https://backpack.tf/profiles/76561198184109349#!/compare/1553990400/1556323200

https://backpack.tf/profiles/76561198063383864#!/compare/1556150400/1556323200

https://backpack.tf/profiles/76561198833008516#!/compare/1556323200/1556409600

https://backpack.tf/profiles/76561198075146778#!/compare/1556236800/1556409600

https://backpack.tf/profiles/76561198322560312#!/compare/1556323200/1556409600

https://backpack.tf/profiles/76561198172644665#!/compare/1556323200/1556409600

https://backpack.tf/profiles/76561198029514444#!/compare/1556409600/1556496000

https://backpack.tf/profiles/76561198950621219#!/compare/1556150400/1556496000

https://backpack.tf/profiles/76561198823549389#!/compare/1556064000/1556496000

https://backpack.tf/profiles/76561198875470056#!/compare/1556409600/1556496000

https://backpack.tf/profiles/76561198012537041#!/compare/1556236800/1556496000

https://backpack.tf/profiles/76561198875470056#!/compare/1556409600/1556496000

https://backpack.tf/profiles/76561198012537041#!/compare/1556236800/1556496000

https://backpack.tf/profiles/76561198936085171#!/compare/1556496000/1556496000

Gambling?

Sale 37:

https://backpack.tf/profiles/76561198333824415#!/compare/1547769600/1551052800

https://backpack.tf/profiles/76561198855485521#!/compare/1552867200/1553040000

https://backpack.tf/profiles/76561197995029705#!/compare/1555632000/1555718400

untrace

Sale 38:

https://backpack.tf/profiles/76561198102265073#!/compare/1555891200/1558396800

https://backpack.tf/profiles/76561198453417865#!/compare/1558137600/1558224000

Traceable through bot.tf

Sale 39:

https://backpack.tf/profiles/76561198050052801#!/compare/1557792000/1557878400

https://backpack.tf/profiles/76561198352998827#!/compare/1557705600/1557878400

Sold for 13 keys

Sale 40:

https://backpack.tf/profiles/76561197998282124#!/compare/1556841600/1557273600

https://backpack.tf/profiles/76561198021042464#!/compare/1556323200/1557273600

Untrace

Sale 41:

https://backpack.tf/profiles/76561198065190456#!/compare/1557187200/1557792000

https://backpack.tf/profiles/76561197972353065#!/compare/1557705600/1557792000

Untrace

Sale 42:

https://backpack.tf/profiles/76561198141312259#!/compare/1557532800/1557619200

https://backpack.tf/profiles/76561198094559788#!/compare/1557532800/1557619200

Sold for ~10 keys

Sale 43:

https://backpack.tf/profiles/76561198053763983#!/compare/1556582400/1556668800

https://backpack.tf/profiles/76561198141312259#!/compare/1556496000/1556668800

Keys....

Sale 44:

https://backpack.tf/profiles/76561198313294470#!/compare/1556323200/1556582400

https://backpack.tf/profiles/76561198053763983#!/compare/1556496000/1556582400

Bulk

Sale 45:

https://backpack.tf/profiles/76561198205939253#!/compare/1552003200/1552089600

https://backpack.tf/profiles/76561198012503085#!/compare/1552003200/1552089600

https://backpack.tf/profiles/76561198057312721#!/compare/1550880000/1552089600

Untrace

Sale 46:

https://backpack.tf/profiles/76561198057312721#!/compare/1552089600/1554681600

https://backpack.tf/profiles/76561198819226219#!/compare/1552003200/1552089600

https://backpack.tf/profiles/76561198101162889#!/compare/1552089600/1552176000

Untrace

Sale 47:

https://backpack.tf/profiles/76561198101162889#!/compare/1552608000/1552953600

https://backpack.tf/profiles/76561198340634356#!/compare/1552694400/1552780800

QS to bot

sale 48:

https://backpack.tf/profiles/76561198340634356#!/compare/1554422400/1554508800

https://backpack.tf/profiles/76561198043955079#!/compare/1554508800/1554595200

Traceable in bot.tf

Sale 49 - 55:

https://marketplace.tf/items/1108;5;u3007

$18.99 / $1.79 = 10.61 keys

$39.99 / $1.77 = 22.59 keys

$34.00 / $1.8 = 18.89 keys

$37.99 / $1.8 = 21.11 keys

$8.00 / $1.8 = 4.44 keys

$8.50 / $1.83 = 4.64 keys

$29.99 / $1.79 = 16.75 keys

Bot.tf:

https://bot.tf/stats/item?def=1108&q=5&ef=Skill%20Gotten%20Gains&craft=1&aus=0&ks=0

Past 90 days

1 @ 13 keys 4/6/2019, 4:13:58 AM

1 @ 12 keys 4/7/2019, 7:38:34 AM

1 @ 13 keys 5/9/2019, 9:51:41 AM

1 @ 13 keys 5/17/2019, 12:09:45 PM

1 @ 7 keys, 31.00 ref 3/5/2019, 3:43:04 PM

1 @ 7 keys, 20.00 ref 3/17/2019, 1:34:31 PM

1 @ 7 keys, 12.00 ref 3/26/2019, 2:51:59 PM

1 @ 8 keys 5/14/2019, 9:24:59 PM

1 @ 8 keys 5/19/2019, 10:23:45 AM

Total sales @: (Rounded)

4.5(x2)

7(x3)

7.5(x2)

8(x4)

9(x2)

10(x3)

11(x3)

12(x3)

13(x4)

17

19

21

23

27

Gonna say i have enough sales to set a good range to call sales use there,

Seller for 12 is youngish, dropped from 13,

Buyer at 9 keys, 8.32, 8.11,

and bot buyers ~7.75 keys,

taking 8 - 13 keys, sales under 8 support.