Alright lets do this

1/1

Proof:

Solds:

https://backpack.tf/profiles/76561198155066949#!/compare/1574985600/1575331200 ~ added a Fountain of Delight Taunt: Most Wanted (Sellers at 2.67) for a Isotope Festivized Specialized Killstreak Quack Canvassed Sniper Rifle (Battle Scarred) ~ 26 + 10 ref (0.2 keys) so thats 2.47 keys

26 - 2.47 = 23.53 (24)

Sold #2:

https://backpack.tf/profiles/76561198251979916#!/compare/1574467200/1574553600 ~ not seen here but the sale was

https://steamuserimages-a.akamaihd.net/ugc/788624923081740487/2156BF4E88CE7C1122A535394C7BAE0CBF18277F/

~ 21 keys pure + https://backpack.tf/item/5055781811 ~ 4.64 keys + 2.6 keys in sweets ~ 28.24

Taking 24-28