1 sale

1) Knifestorm Pyro's Beanie (105) + Circling Heart Brim-Full Of Bullets (24) + Darkblaze Whoopee Cap (190) + Stormy 13th Hour Salty Dog (300) + Circling Heart Woolen Warmer (77)

https://backpack.tf/profiles/76561198079040993#!/compare/1581897600/1581984000

https://backpack.tf/profiles/76561198085108841#!/compare/1581897600/1581984000

Beanie

https://backpack.tf/suggestion/5e7648bf49e1b23dff32ae72

Whoopee

https://backpack.tf/suggestion/5e73897ce5e028117559c836

Dog

https://backpack.tf/suggestion/5e2c05bf1626fa18b6579734

Woolen sold for Ghastly Grove Chill Chullo (77)

https://backpack.tf/profiles/76561198059718665#!/compare/1577404800/1577577600

Chill sold with Cloud 9 Melted Mop (25) for Vicious Circle Chill Chullo (110)

https://backpack.tf/profiles/76561198059718665#!/compare/1577577600/1580515200

Mop

https://backpack.tf/suggestion/5dfffece800c6b25897640c3

Vicious Chill

https://backpack.tf/suggestion/5dbf75d5d381720b342d489c

Ghastly chill has sellers at 70 keys, making the value at 70 - 85

Brim sold for Festive Spirit Taunt: Square Dance (24)

https://backpack.tf/profiles/76561198085108841#!/compare/1580428800/1580601600

Sales on dance:

https://marketplace.tf/items/tf2/1106;5;u3035

105 + 24 + 190 + 300 + 77 = 696

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No marketplace sales.

https://marketplace.tf/items/tf2/611;5;u43

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Total: 696. Rounded to 700