sale #1: https://backpack.tf/profiles/76561198181369313#!/compare/1505520000/1505606400

histories dont match

sale #2: https://backpack.tf/profiles/76561197974364849#!/compare/1507075200/1507420800

sold for 25 keys and 36 refined (rounding to 26)

sale #3: https://backpack.tf/profiles/76561198119623807#!/compare/1507507200/1507593600

sold for pfetti Black Watch (26-27)

sale #4: https://backpack.tf/profiles/76561198034268412#!/compare/1507334400/1507420800

dbd katyusha (17) + x for electrostatic fez (28)

x = 28 - 17

x = 11 (lol?) - outlier

sales at 26.5, 26

taking 26-27

pfetti Black Watch mini

sale #1: https://backpack.tf/profiles/76561198121203801#!/compare/1507680000/1507766400

sold for cloud 9 ol geezer (19) - outlier

sale #2: https://backpack.tf/profiles/76561198119623807#!/compare/1507420800/1507507200

sold for vivid plasma noble (36) B/O caps it at (27)

http://www.tf2outpost.com/trade/29392897

sale #3: https://backpack.tf/profiles/76561198330224585#!/compare/1504137600/1504310400

23 keys - outlier

sale #4: https://backpack.tf/profiles/76561198250215874#!/compare/1503532800/1503619200

KaW waxy (16.5) + dbd toque (26.5) = (43) - outlier

sale #5: https://backpack.tf/profiles/76561198137132859#!/compare/1503446400/1503532800

16 keys (qs)

sale #6: https://backpack.tf/profiles/76561198363395287#!/compare/1503014400/1503100800

mystery smokey sombrero (26.5)

sales at 26.5, 27 (excluding outlier/qs)

taking 26-27, 2 sellers at 28 support this price https://imgur.com/a/3wISf

electrostatic fez mini

sale #1: https://backpack.tf/profiles/76561198341717773#!/compare/1502323200/1502409600

29 + 17 = 46 - outlier

sale #2: https://backpack.tf/profiles/76561198079201280#!/compare/1501804800/1502150400

13.5 + 17.5 = 31

sale #3: https://backpack.tf/profiles/76561198318847306#!/compare/1507248000/1507334400

25

sale #4: https://backpack.tf/profiles/76561198335312121#!/compare/1506124800/1506211200

25

25, 25, 31 (excluding outlier)

taking 25-31