Sale 1:

https://backpack.tf/profiles/76561198825218000#!/compare/1563408000/1564444800

https://backpack.tf/profiles/76561198033110946#!/compare/1501372800/1565395200

Untrace

sale 2:

https://backpack.tf/profiles/76561198033110946#!/compare/1565654400/1565913600

https://backpack.tf/profiles/76561198060458887#!/compare/1565827200/1565913600

sold for 14 keys

sale 3:

https://backpack.tf/profiles/76561198060458887#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198067728137#!/compare/1566000000/1566086400

Sold with 1 key for Stormy Mop

use there

https://bot.tf/stats/listings/MXQELZR7

B/O of 17 keys

Sale 4:

https://backpack.tf/profiles/76561198067728137#!/compare/1568678400/1568937600

https://backpack.tf/profiles/76561198080179568#!/compare/1568851200/1568937600

QS

sale 5:

https://backpack.tf/profiles/76561198080179568#!/compare/1571184000/1571270400

https://backpack.tf/profiles/76561198013663269#!/compare/1571184000/1571270400

Sold for 16 keys

Sale 6:

https://backpack.tf/profiles/76561198056991995#!/compare/1564531200/1564617600

https://backpack.tf/profiles/76561198129552058#!/compare/1564531200/1564617600

Bulk

sale 7:

https://backpack.tf/profiles/76561198129552058#!/compare/1571011200/1571097600

https://backpack.tf/profiles/76561198129263148#!/compare/1571097600/1571184000

untrace

sale 8:

https://backpack.tf/profiles/76561198883049739#!/compare/1565222400/1566086400

https://backpack.tf/profiles/76561198384394586#!/compare/1565827200/1565913600

Untrace

sale 9:

https://backpack.tf/profiles/76561198384394586#!/compare/1566259200/1566345600

https://backpack.tf/profiles/76561198118128851#!/compare/1566259200/1566345600

Sold for Planets Neckwear + 1 key

Neckwear Mini:

https://backpack.tf/suggestion/5db0b4d8d381721dfe0513e5

Suggestion for 15.5 keys

Total is 16.5 keys

https://bot.tf/stats/listings/4OV7QP1P

B/O of 18 keys

Sale 10:

https://backpack.tf/profiles/76561198118128851#!/compare/1566691200/1566777600

https://backpack.tf/profiles/76561198853723390#!/compare/1566691200/1566777600

Sold for C9 Mmph + 1 key

Mmph Mini:

https://backpack.tf/suggestion/5db0db75678072609710a832

Suggestion for 11.5 keys

Total is 12.5 keys

https://bot.tf/stats/listings/Y5R5KXW5

b/O of 16 keys

Sale 11:

https://marketplace.tf/items/tf2/30175;5;u32

$25.51 / $1.84 = 13.86 keys <--- https://backpack.tf/item/3005664149

$28.89 / $1.81 = 15.96 keys

$28.89 / $1.82 = 15.87 keys

$32 / $1.82 = 17.58 keys

Total sales @:

12.5, 13.86, 14, 15.87, 15.96, 16, 16.5, 17.58 keys

buyers up to ~12 keys,

calling 12.5 low,

17.58 high to balance,

taking 14 - 17 keys