Suggestions

Sale 1:
https://backpack.tf/profiles/76561198091848275#!/compare/1582416000/1582848000
https://backpack.tf/profiles/76561198147286837#!/compare/1572912000/1585094400
Untrace

sale 2:
https://backpack.tf/profiles/76561199012468443#!/compare/1581724800/1587168000
https://backpack.tf/profiles/76561197982966012#!/compare/1581984000/1582156800
SCM

Sale 3:
https://backpack.tf/profiles/76561198125499317#!/compare/1585008000/1585094400
https://backpack.tf/profiles/76561198115556074#!/compare/1583884800/1585094400
Sold with spell for KaW Warhood
use there

Sale 4:
https://marketplace.tf/items/tf2/200;11;w1;pk236;kt-1
$8 / $1.69 = 4.73 keys
https://backpack.tf/item/7855099377

Sale 5, 6:
https://steamcommunity.com/market/pricehistory/?country=US&currency=1&appid=440&market_hash_name=Strange%20Haunted%20Ghosts%20Scattergun%20%28Factory%20New%29
Sold for 8.64 USD / 3.098 USD = 2.79 keys
Sold for 17.84 USD / 3.188 USD = 5.60 keys

Sale 7:
https://steamcommunity.com/market/pricehistory/?country=US&currency=1&appid=440&market_hash_name=Strange%20Specialized%20Killstreak%20Haunted%20Ghosts%20Scattergun%20%28Factory%20New%29
Sold for 14.11 USD / 3.356 USD = 4.20 keys

Sale 8:
https://steamcommunity.com/market/pricehistory/?country=US&currency=1&appid=440&market_hash_name=Strange%20Festivized%20Haunted%20Ghosts%20Scattergun%20%28Factory%20New%29
Sold for 8.38 USD / 3.356 USD = 2.50 keys



Total sales @:
2.5, 2.8, 4.2, 4.75, 5.60 keys

https://backpack.tf/classifieds?page=6&item=Scattergun&tradable=1&craftable=1&australium=-1&killstreak_tier=0&wear_tier=1
Buyers up to 2 keys,
unsold at 10 keys