Sale 1:

https://backpack.tf/profiles/76561198060730062#!/compare/1580256000/1580688000

https://backpack.tf/profiles/76561198964510063#!/compare/1580601600/1580688000

Sold for OF Eye + 5 keys

use there

sale 2:

https://backpack.tf/profiles/76561198964510063#!/compare/1583884800/1583971200

https://backpack.tf/profiles/76561198929196391#!/compare/1583884800/1583971200

Sold for ~14 keys in sweets

https://bot.tf/stats/listings/4J9R3OK3

B/O of 14 keys

sale 3:

https://backpack.tf/profiles/76561198273123292#!/compare/1580083200/1580428800

https://backpack.tf/profiles/76561198160042843#!/compare/1580428800/1580515200

Bulk

sale 4:

https://backpack.tf/profiles/76561198160042843#!/compare/1580515200/1580601600

https://backpack.tf/profiles/76561198134797815#!/compare/1580515200/1580601600

Sold with ~6.5 keys for Max Head(18.5)

total is 12 keys

sale 5:

https://backpack.tf/profiles/76561198305494036#!/compare/1586995200/1587081600

https://backpack.tf/profiles/76561198084219943#!/compare/1586995200/1587081600

Sold for ~13 keys

sale 6:

https://backpack.tf/profiles/76561198084219943#!/compare/1587427200/1587513600

https://backpack.tf/profiles/76561198362891322#!/compare/1546992000/1587513600

Sold for C9 Boron + 8 keys

boron Mini:

https://backpack.tf/suggestion/5ea66110b2080d1fcf36cf66

Suggestion for 7.25 keys

Total is ~15 keys

sale 7:

https://backpack.tf/profiles/76561198832791521#!/compare/1585094400/1585353600

https://backpack.tf/profiles/76561198057412106#!/compare/1585180800/1585267200

Sold for DP Vintage + ~2 keys in sweets

Vintage mini:

https://backpack.tf/suggestion/5ea658056e990f00dc21a654

suggestion for 9 keys

Total is 11 keys

sale 8:

https://backpack.tf/profiles/76561198057412106#!/compare/1585353600/1585440000

https://backpack.tf/profiles/76561198871136698#!/compare/1585440000/1585526400

Sold for ~14 keys

sale 9:

https://backpack.tf/profiles/76561198871136698#!/compare/1585440000/1585526400

https://backpack.tf/profiles/76561198066714060#!/compare/1585440000/1585526400

sold for ~14 keys

sale 10:

https://backpack.tf/profiles/76561198066714060#!/compare/1585440000/1585526400

https://backpack.tf/profiles/76561198088551406#!/compare/1585440000/1585526400

Sold with 2 keys for Miami Bonk

bonk Mini:

https://backpack.tf/suggestion/5ea64ae8ac0f0405287169f9

suggestion for 16.5 keys

Total is 14.5 keys

sale 11:

https://backpack.tf/profiles/76561198088551406#!/compare/1585440000/1585526400

https://backpack.tf/profiles/76561198119556478#!/compare/1585526400/1585612800

Sold for ~13 keys

sale 12:

https://backpack.tf/profiles/76561198119556478#!/compare/1585612800/1585699200

https://backpack.tf/profiles/76561198292513121#!/compare/1585612800/1585699200

Sold for TW Reason + 5 keys

Reason mini:

https://backpack.tf/suggestion/5ea551228b81f02e23151878

Suggestion for 8 keys

Total is 13 keys

sale 13:

https://backpack.tf/profiles/76561198292513121#!/compare/1586736000/1586822400

https://backpack.tf/profiles/76561198453495118#!/compare/1586649600/1586995200

Sold for Subatomic Trans(14.5)

sale 14:

https://backpack.tf/profiles/76561198453495118#!/compare/1586649600/1586995200

https://backpack.tf/profiles/76561198272038643#!/compare/1586908800/1586995200

Sold for Blizzardy Barnstormer

use there

sale 15:

$35.99 / $1.73 = 20.80 keys <--- https://backpack.tf/item/5446604592

$27.00 / $1.75 = 15.43 keys <--- https://backpack.tf/item/1964056865

Total sales @:

11, 12, 13, 13, 13, 14, 14, 14, 14.5, 14.5, 15, 15.5, 21 keys

buyers up to ~12 keys,

calling 12 low,

21 high,

taking 13 - 16 keys