This suggestion is just to be here to show that I can't really price this, but the data is here.

Item 1

https://backpack.tf/item/2185303108

bulk for rofp Orbiting Fire Pyromancer's Mask

https://backpack.tf/profiles/76561199153405603#!/compare/1745798400/1745884800

https://backpack.tf/profiles/76561198328282971#!/compare/1745798400/1745884800

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Item 2

https://backpack.tf/item/1870820195

Death at Dusk Flamboyant Flamenco = Dead Presidents Bonk Boy + CC Genuine Marxman + 160 keys

15622493608

https://backpack.tf/profiles/76561198120672630#!/compare/1744070400/1744156800

https://backpack.tf/profiles/76561198053558381#!/compare/1744070400/1744156800

^

Probably better here:

https://backpack.tf/stats/Unusual/Flamboyant%20Flamenco/Tradable/Craftable/90

^

for use, the last viable sale for this item was 22 keys in February (just around high 3 months / low 4 months ago)

https://backpack.tf/item/1035941160

https://backpack.tf/profiles/76561198328282971#!/compare/1738972800/1739059200

https://backpack.tf/profiles/76561198083328505#!/compare/1738972800/1739059200

//

used for something else

https://backpack.tf/profiles/76561198053783254#!/compare/1745280000/1745366400

https://backpack.tf/profiles/76561198120672630#!/compare/1745280000/1745366400

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