using sales from 1st November and later

Sale 1

https://backpack.tf/profiles/76561198305676157#!/compare/1541808000/1541894400

https://backpack.tf/profiles/76561198278787384#!/compare/1541203200/1544832000

SCM

Sale 2

https://backpack.tf/profiles/76561198050642395#!/compare/1534896000/1542931200

https://backpack.tf/profiles/76561198100791604#!/compare/1542672000/1545868800

untraceable

Sale 3

https://backpack.tf/profiles/76561197994095287#!/compare/1543017600/1543363200

https://backpack.tf/profiles/76561198281772700#!/compare/1543363200/1543968000

Sold for 14 Keys

Sale 4

https://backpack.tf/profiles/76561198062305430#!/compare/1545264000/1545350400

https://backpack.tf/profiles/76561198845209577#!/compare/1542585600/1545955200

SCM

Sale 5

https://backpack.tf/profiles/76561198040248996#!/compare/1541376000/1541548800

https://backpack.tf/profiles/76561198050745352#!/compare/1541376000/1541462400

Sold with 8 Keys for a Max's Head (19) = 11 Keys

Sale 6

https://backpack.tf/profiles/76561198174520742#!/compare/1540684800/1543536000

https://backpack.tf/profiles/76561198305676157#!/compare/1541289600/1541376000

Sold for 13 Keys

Sale 7

https://backpack.tf/profiles/76561198168863803#!/compare/1541203200/1541289600¨

https://backpack.tf/profiles/76561198305676157#!/compare/1541203200/1541289600

probably sold to buyorders

Sale 8

https://backpack.tf/profiles/76561198093010797#!/compare/1541635200/1542844800

https://backpack.tf/profiles/76561198317287913#!/compare/1543363200/1543622400

SCM

Sale 9

https://backpack.tf/profiles/76561198359995299#!/compare/1541808000/1543190400

https://backpack.tf/profiles/76561198080179568#!/compare/1542844800/1542931200

untraceable

Sale 10

https://backpack.tf/profiles/76561198139046696#!/compare/1541289600/1541548800¨

https://backpack.tf/profiles/76561198080179568#!/compare/1541203200/1541376000

Sold for some amount in keys which were then used to buy the PE Brain Warmer

Sale 11

https://backpack.tf/profiles/76561198312583107#!/compare/1540944000/1541030400

https://backpack.tf/profiles/76561198063897182#!/compare/1541030400/1541116800

Sold for 12 Pure

Sale 12

https://backpack.tf/profiles/76561198063897182#!/compare/1541030400/1541116800

https://backpack.tf/profiles/76561198128155946#!/compare/1542326400/1542412800

untraceable

Sale 13

https://backpack.tf/profiles/76561198103810892#!/compare/1534723200/1544140800

https://backpack.tf/profiles/76561198454615761#!/compare/1544054400/1544140800

untraceable

Sale 14

https://backpack.tf/profiles/76561198834758731#!/compare/1542585600/1543276800

https://backpack.tf/profiles/76561198197481041#!/compare/1541203200/1543276800

I have no idea, mabey an alt?

Sale 15

https://backpack.tf/profiles/76561198197481041#!/compare/1544054400/1545350400

https://backpack.tf/profiles/76561198043936328#!/compare/1543968000/1544227200

untraceable

Sale 16

https://backpack.tf/profiles/76561198043936328#!/compare/1544745600/1544918400

https://backpack.tf/profiles/76561198077163866#!/compare/1544832000/1545350400

Sold for 14 Keys + 10 ref, rounding to 14 Keys

Sale 17

https://backpack.tf/profiles/76561198025824592#!/compare/1545264000/1545350400

https://backpack.tf/profiles/76561198336633071#!/compare/1545264000/1545350400

Sold for an Acient Codex Translator (12.5) rounding to 13 Keys

(Ambassador doesn't match)

Sale 18

https://backpack.tf/profiles/76561198095236132#!/compare/1545004800/1545091200

https://backpack.tf/profiles/76561198025824592#!/compare/1544918400/1545091200

Sold for a Clairvoyance Puffy Polar Cap, could be used there

Sale 19

https://backpack.tf/profiles/76561198176088318#!/compare/1544832000/1544918400

https://backpack.tf/profiles/76561198095236132#!/compare/1544832000/1544918400

Bulk for a Starstorm Insomnia Baseball Bill

Sale 20

https://backpack.tf/profiles/76561198176088318#!/compare/1542931200/1544227200

https://backpack.tf/profiles/76561198454615761#!/compare/1544054400/1544140800

Sold for a Aussie Grenade Launcher (14)

Sale 21

https://backpack.tf/profiles/76561198335791307#!/compare/1542326400/1542412800

https://backpack.tf/profiles/76561198078811888#!/compare/1541116800/1542412800

untraceable

Sale 22

https://backpack.tf/profiles/76561198454615761#!/compare/1544400000/1544486400

https://backpack.tf/profiles/76561198335110806#!/compare/1543622400/1544400000

untraceable

Sale 23

https://backpack.tf/profiles/76561198454615761#!/compare/1544572800/1544659200

https://backpack.tf/profiles/76561198206406315#!/compare/1543449600/1544659200

Sold for 14 Keys + 20 ref, rounding to 14 Keys

Sale 24

https://backpack.tf/profiles/76561198411495266#!/compare/1542758400/1542844800

https://backpack.tf/profiles/76561198410619468#!/compare/1542758400/1543017600

Sold for an Aces High Brain Bucket + ~1 Key in adds, low

Sale 25

https://backpack.tf/profiles/76561197993714160#!/compare/1544054400/1544140800

https://backpack.tf/profiles/76561198174932630#!/compare/1540944000/1545350400

Sold for 14 Keys

Sale 26

https://backpack.tf/profiles/76561198155110999#!/compare/1545523200/1545609600

https://backpack.tf/profiles/76561198174932630#!/compare/1545436800/1545523200

Seems to have sold to a buyorder

Sale 27

https://backpack.tf/profiles/76561198454615761#!/compare/1544054400/1544227200

https://backpack.tf/profiles/76561198124858032#!/compare/1544054400/1544140800

Sold for 14 Pure

Sale 28

https://backpack.tf/profiles/76561198189659530#!/compare/1542931200/1543968000

https://backpack.tf/profiles/76561198454615761#!/compare/1543881600/1543968000

untraceable

Sale 29

https://backpack.tf/profiles/76561198305676157#!/compare/1541548800/1541635200

https://backpack.tf/profiles/76561198169767755#!/compare/1541548800/1541635200

Sold for 13 Pure

Sale 30

https://backpack.tf/profiles/76561198278315300#!/compare/1541462400/1541548800

https://backpack.tf/profiles/76561198305676157#!/compare/1541548800/1541635200

untraceable

Sale 31

https://backpack.tf/profiles/76561198259572803#!/compare/1541548800/1544140800

https://backpack.tf/profiles/76561198278315300#!/compare/1541376000/1541462400

untraceable

Sale 32

https://backpack.tf/profiles/76561198079869886#!/compare/1546128000/1546214400

https://backpack.tf/profiles/76561198055847835#!/compare/1546128000/1546214400

Probably sold to buyorder of 13 Keys

Sale 33

https://backpack.tf/profiles/76561198079869886#!/compare/1545350400/1545955200

https://backpack.tf/profiles/76561197970932773#!/compare/1545868800/1546041600

Sold for a Clairevoyance Tank Top, should be used there

Sale 34

https://backpack.tf/profiles/76561197970932773#!/compare/1545523200/1545609600

https://backpack.tf/profiles/76561198053717045#!/compare/1545523200/1545609600

Sold for a Smoking Air Dog + Pro Ks Collector Bosten Basher (6), better used there

Sale 35

https://backpack.tf/profiles/76561198053717045#!/compare/1544400000/1544486400

https://backpack.tf/profiles/76561198124887048#!/compare/1544400000/1544486400

Seems to have sold with 3 Keys in items for a Miami Night Liquidators Lid

Sale 36

https://backpack.tf/profiles/76561198131143986#!/compare/1544400000/1544486400

https://backpack.tf/profiles/76561198124887048#!/compare/1544313600/1544400000

untraceable

Sale 37

https://backpack.tf/profiles/76561198131143986#!/compare/1544313600/1544486400

https://backpack.tf/profiles/76561198196728195#!/compare/1544227200/1544400000

Sold for a Screaming Tiger Taunt: Burstchester, better used there

Sale 38

https://backpack.tf/profiles/76561198196728195#!/compare/1544140800/1544227200

https://backpack.tf/profiles/76561198428470716#!/compare/1543104000/1544227200

Sold for a Bubbling Noble Assassment of Hats, better used there

[i] Sale 39 - 49

Sold on the 2nd November for 29.90$ (1.78)

= 16.79 Keys, rounding to 17

Sold on the 26th November for 24.00$ (1.73)

= 13.87 Keys, rounding to 14

Sold on the 9th December for 20.33$ (buyorder)

Sold on the 14th December for 24.99$ (1.64)

= 15.23 Keys, rounding to 15 Keys

Sold on the 15th December for 27.99$ (1.64)

= 17.06 Keys, rounding to 17

Sold on the 22th December for 28.80$ (1.74)

= 16.55 Keys, rounding to 17

Sold on the 25th December for 28.85$ (1.80)

= 16.02 Keys, rounding to 16

Sold on the 26th December for 28.89$ and 29.99$ (1.81)

= 15.96 Keys and 16.56 Keys, rounding to 16 and 17

Sold on the 28th December for 29.99$ (1.79)

= 16.75 Keys, rounding to 17

Sold on the 29th December for 29.99$ (1.79)

= 16.75 Keys, rounding to 17

Sales: 11 / 12 / 13 / 13 / 13 / 13 / 14 / 14 / 14 / 14 / 14 / 14 / 15 / 16 / 16 / 17 / 17 / 17 / 17 / 17 / 17 / 17

https://gyazo.com/2ca883df2fee5c76983194746c410cc6

Going with 13-15 due to the mature sellers at 15