Resuggestion due to wrong range, thanks to Xergoyf for catching that!

Sale 1:

https://backpack.tf/profiles/76561198091148250#!/compare/1562889600/1562976000

https://backpack.tf/profiles/76561198277409359#!/compare/1562889600/1562976000

Sold with ~5 keys in sweets for Miami Peculiar

Peculiar Mini:

https://backpack.tf/suggestion/5d89a9c1d381727ece541703

Suggestion for 12.5 keys

Sale 2:

https://backpack.tf/profiles/76561198277409359#!/compare/1563062400/1563148800

https://backpack.tf/profiles/76561198871304435#!/compare/1563148800/1563235200

Sold for 13 keys

sale 3:

https://backpack.tf/profiles/76561198871304435#!/compare/1563148800/1563235200

https://backpack.tf/profiles/76561198046393528#!/compare/1563148800/1563235200

Sold for ~14 keys

Sale 4:

https://backpack.tf/profiles/76561198046393528#!/compare/1563494400/1563580800

https://backpack.tf/profiles/76561198858501353#!/compare/1563494400/1563580800

Sold for 14 keys

sale 5:

https://backpack.tf/profiles/76561198182164258#!/compare/1565308800/1565395200

https://backpack.tf/profiles/76561198243519680#!/compare/1565308800/1565395200

Sold for Static Helm

use there

sale 6:

https://backpack.tf/profiles/76561198243519680#!/compare/1565395200/1565481600

https://backpack.tf/profiles/76561198150930904#!/compare/1565395200/1565481600

Sold for ~12 keys

Sale 7:

https://backpack.tf/profiles/76561198150930904#!/compare/1565395200/1565481600

https://backpack.tf/profiles/76561198100836666#!/compare/1565395200/1565481600

Bulk

Sale 8:

https://backpack.tf/profiles/76561198100836666#!/compare/1565568000/1565654400

https://backpack.tf/profiles/76561198096507227#!/compare/1565481600/1565654400

https://backpack.tf/profiles/76561198096507227#!/compare/1566518400/1566691200

https://backpack.tf/profiles/76561198100836666#!/compare/1566604800/1566691200

Transfer

Sale 9:

https://backpack.tf/profiles/76561198100836666#!/compare/1567814400/1567900800

https://backpack.tf/profiles/76561198144882031#!/compare/1567814400/1567900800

Sold for 10 keys

sale 10:

https://backpack.tf/profiles/76561198144882031#!/compare/1567900800/1569283200

https://backpack.tf/profiles/76561198235968850#!/compare/1567900800/1567987200

Sold for 12 keys

Sale 11:

https://marketplace.tf/items/tf2/445;5;u32

$29.99 / $1.82 = 16.48 keys

https://bot.tf/stats/listings/YDLD2PQX

B/O of 20 keys

Total sales @:

10, 12, 12, 12, 12.5, 13, 14, 14, 16.48 keys

2 week unsold at 13 keys,

calling 10 low,

16 high,

taking 12 - 14 keys