Item 1: https://backpack.tf/item/13320492578

Sale 1:

https://backpack.tf/profiles/76561198055518037#!/compare/1752451200/1752710400

https://backpack.tf/profiles/76561199698673244#!/compare/1752451200/1753228800

Untrace, possibly MPTF but given the dates I doubt it

Marketplace.tf: https://marketplace.tf/items/tf2/31347;5;u3120

Item 2: https://backpack.tf/item/13244598936

Sale 2:

Sold for $5.68 on May 10 2025

Keys were $1.93 https://marketplace.tf/items/tf2/5021;6

5.68/1.93=2.94 ~2.95 keys

Sale 3:

Sold for $5.41 on July 3 2025

Keys were $2 https://marketplace.tf/items/tf2/5021;6

5.41/2=2.7 keys

Sale 4:

Sold for $5.34 on July 23 2025

Keys were $1.94 https://marketplace.tf/items/tf2/5021;6

5.34/1.94=2.75 keys

Sale 5:

Sold for $5.41 on July 30 2025

Keys were $1.94 https://marketplace.tf/items/tf2/5021;6

5.41/1.94=2.79 ~2.8 keys

Sales:

2.7, 2.75, 2.8, 2.95

Sellers:

BPTF - https://imgur.com/9202zU5 5 keys (2 months)

MPTF - https://marketplace.tf/items/tf2/31347;5;u3120 $5.41 (~2.85 keys), $5.61 (~2.95 keys), $29.99 (~16 keys)

STN - https://stntrading.eu/item/tf2/Unusual%20Floppin'%20Frenzy%20Taunt:%20Star-Spangled%20Strategy None

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Star-Spangled%20Strategy?filter=Floppin%27+Frenzy 5.78€ (~2.75 keys)

The sellers on SCM and MPTF in keys really depend on the key price of the day so they're too weak to use as counterevidence especially since all the sales are fairly close together.

Going with a full range of 2.7-2.95 keys.