History 1: https://backpack.tf/item/2825592302

24 ref matches (dumped to STN.tf):

https://backpack.tf/profiles/76561199046700393#!/compare/1608422400/1608508800

https://backpack.tf/profiles/76561198311498888#!/compare/1608336000/1608422400

Untraceable:

https://backpack.tf/profiles/76561198311498888#!/compare/1609632000/1609718400

https://backpack.tf/profiles/76561198310811821#!/compare/1609113600/1610236800

History 2: https://backpack.tf/item/2813620612

Sold on Marketplace.tf

Untraceable:

https://backpack.tf/profiles/76561198349521451#!/compare/1610236800/1611014400

https://backpack.tf/profiles/76561198291231342#!/compare/1609200000/1611014400

13 keys

https://backpack.tf/profiles/76561198291231342#!/compare/1611100800/1611532800

https://backpack.tf/profiles/76561198041860163#!/compare/1611446400/1611532800

Marketplace.tf sales: https://marketplace.tf/items/tf2/1111;5;u3032

December 25: $44.99/2.13=21.12 ~21 keys

January 3: $44.99/2.11=21.32 ~21 keys

The sale at 13 was listed at 15 originally and buyers were only at ~9 at the time of the sale. Buyers are only at ~11 as of now so 13 should most likely be included https://gladiator.tf/listings/600d4c0d43d5aacf5fd3aece

Taking 13-21 here