https://backpack.tf/item/3128789548

https://backpack.tf/profiles/76561198122894683#!/compare/1599782400/1600041600

https://backpack.tf/profiles/76561197994697258#!/compare/1599782400/1599955200

Sold for Haunted Phantasm Jr Stormin' Norman + Hot Specialized Killstreak Totally Boned Scattergun (Well-Worn) + Burning Flames Antarctic Eyewear + Strange Smoking Bonk Boy.

Burning Flames Antarctic Eyewear: 95 keys.

Haunted Phantasm Jr Stormin' Norman: 40 keys.

Smoking Bonk Boy: 57 keys.

Hot Specialized Killstreak Totally Boned Scattergun (Well-Worn): 33 keys.

Total: 95+40+57+33=225 keys.

Mini for Haunted Phantasm Jr Stormin' Norman

https://backpack.tf/suggestion/5fd072b8d0eb6430614efa31

40 keys

Mini for Hot Specialized Killstreak Totally Boned Scattergun (Well-Worn)

https://marketplace.tf/items/tf2/200;15;u701;w4;pk240;kt-2;festive

September 4: $59.9 - $59.9 / $1.83 = 32.73 keys (rounding to 33)

I am aware that this is over three months, but it's the only sale I could find for such an obscure item. Besides, it's less than a week over.

Mini for Smoking Bonk Boy

Sale 1:

https://backpack.tf/item/679294885

https://backpack.tf/profiles/76561198061464918#!/compare/1604966400/1605052800

https://backpack.tf/profiles/76561198061108999#!/compare/1604966400/1605052800

55 keys pure.

Sale 2:

https://backpack.tf/item/826320130

https://backpack.tf/profiles/76561198050052801#!/compare/1604966400/1605052800

https://backpack.tf/profiles/76561198867661640#!/compare/1604880000/1605052800

58 keys pure.

Sale 3:

https://backpack.tf/item/826320130

https://backpack.tf/profiles/76561198175905570#!/compare/1603497600/1603756800

https://backpack.tf/profiles/76561198179712943#!/compare/1603670400/1603756800

50 keys pure, countered by buyers @ 54 keys.

Using a range of 55-58 keys for this mini, which is 56.5, rounding to 57.

The other sale:

https://backpack.tf/profiles/76561198122894683#!/compare/1601856000/1602028800

https://backpack.tf/profiles/76561198170190173#!/compare/1601078400/1602028800

1:1 for Chiroptera Venenata Triboniophorus Tyrannus. Using this as a mini for that suggestion.