Item: https://backpack.tf/item/5238802964

Seller: https://backpack.tf/profiles/76561198107917806#!/compare/1761955200/1766793600

Buyer: https://backpack.tf/profiles/76561198315558870#!/compare/1768608000/1768694400

Steam Market Sale https://steamcommunity.com/market/listings/440/Unusual%20A%20Hat%20to%20Kill%20For

screenshot: https://imgur.com/a/OQmk5Kd

Jan 18

2026 8PM

430.65€

Key price (18-19th january) https://steamcommunity.com/market/listings/440/Mann%20Co.%20Supply%20Crate%20Key

Jan 18

2026 12AM

1.97€

704 sold

Jan 18

2026 2AM

1.97€

879 sold

Jan 18

2026 3AM

1.99€

3463 sold

Jan 18

2026 4AM

2€

1940 sold

Jan 18

2026 5AM

1.98€

658 sold

Jan 18

2026 6AM

2€

1353 sold

Jan 18

2026 7AM

1.99€

1181 sold

Jan 18

2026 8AM

2€

755 sold

Jan 18

2026 9AM

1.99€

1021 sold

Jan 18

2026 10AM

1.98€

590 sold

Jan 18

2026 11AM

1.98€

1358 sold

Jan 18

2026 12PM

1.98€

1197 sold

Jan 18

2026 1PM

1.96€

812 sold

Jan 18

2026 2PM

1.96€

920 sold

Jan 18

2026 3PM

1.96€

1524 sold

Jan 18

2026 4PM

1.97€

1704 sold

Jan 18

2026 5PM

1.98€

1595 sold

Jan 18

2026 6PM

1.96€

1311 sold

Jan 18

2026 7PM

1.96€

936 sold

Jan 18

2026 8PM

1.96€

1066 sold

Jan 18

2026 9PM

1.98€

1984 sold

Jan 18

2026 10PM

1.96€

447 sold

Jan 18

2026 11PM

1.96€

1125 sold

Jan 19

2026 12AM

1.96€

728 sold

Keys sold: 29,251

weighted average price: 1.9775€

and then i decided to check rules after all of this..

https://forums.backpack.tf/topic/6033-rules-for-unusual-price-suggestions/?tab=comments#comment-641323

at 8pm keys were 1.96€ (screenshot: https://imgur.com/a/YR7cEu1)

430.65/1.96 = 219.71Keys (rounding to 220)

Final price: 220 Keys