Thank you Cashew for all these wonderful suggestions #CashtheDEW

Searing Plasma Towering Pillar of Hats

https://marketplace.tf/items/tf2/135;5;u15

$38.89 on April 13 (https://backpack.tf/item/2777814403. b/o 24 https://backpack.tf/item/7427310728) = 23 keys

https://bot.tf/stats/listings/4KVP9G31 b/o 17 keys + 20 ref

https://backpack.tf/profiles/76561198048851745#!/compare/1589673600/1589760000

https://backpack.tf/profiles/76561198061302796#!/compare/1589328000/1589760000 17 keys + 9 ref

https://backpack.tf/profiles/76561198292161558#!/compare/1586304000/1586476800

https://backpack.tf/profiles/76561198048851745#!/compare/1586304000/1586390400 unknown

https://backpack.tf/profiles/76561198985910282#!/compare/1588809600/1588896000

https://backpack.tf/profiles/76561198159778701#!/compare/1588377600/1588896000 17 keys + 52 ref

https://backpack.tf/profiles/76561198115354087#!/compare/1586304000/1587600000

https://backpack.tf/profiles/76561198985910282#!/compare/1587513600/1587600000 sold to buy order for 14 keys + 12.77 ref

https://backpack.tf/profiles/76561198272038643#!/compare/1586736000/1586822400

https://backpack.tf/profiles/76561198183625771#!/compare/1586736000/1586822400 seems like 13.5 keys or so

https://bot.tf/stats/listings/Y5Z5PQ92 b/o 19

https://backpack.tf/profiles/76561198183625771#!/compare/1586822400/1586908800

https://backpack.tf/profiles/76561198064982470#!/compare/1586822400/1586908800 unknown

https://backpack.tf/profiles/76561198125363469#!/compare/1585699200/1585958400

https://backpack.tf/profiles/76561198148304461#!/compare/1584576000/1585958400 scm

https://backpack.tf/profiles/76561198064982470#!/compare/1587081600/1587168000

https://backpack.tf/profiles/76561198115556074#!/compare/1585353600/1587686400 nothing matches

https://backpack.tf/item/7427310728 seller at 19

Classifieds buyers at 14.5

Calling 13.5 and 14+ low and 23 high. Going 17-18 here

17 - 18