MP sale:

https://marketplace.tf/items/tf2/481;5;u60

March 10: 11.5 / 1.73 = 6.6

Other sales:

1. https://backpack.tf/item/1820071206

https://backpack.tf/profiles/76561198119563458#!/compare/1586736000/1586995200

May have sold for a Dead Presidents Magistrate's Mullet (7.5) + 2 keys in items but history on mullet doesn't match

2. https://backpack.tf/item/1820071206

https://backpack.tf/profiles/76561199038205705#!/compare/1586908800/1586995200

Unusable

3. https://backpack.tf/item/7801732682

https://backpack.tf/profiles/76561198403914982#!/compare/1579564800/1579996800

Unusable

4. https://backpack.tf/item/7801732682

https://backpack.tf/profiles/76561198403914982#!/compare/1585008000/1585094400

Sold for 5 keys + 1 in ref = 6 keys

5. https://backpack.tf/item/7956779676

https://backpack.tf/profiles/76561198037674114#!/compare/1585094400/1585526400

Unusable

6. https://backpack.tf/item/7956957019

https://backpack.tf/profiles/76561198037674114#!/compare/1585526400/1586131200

Untraceable

7. https://backpack.tf/item/7956957019

https://backpack.tf/profiles/76561198020673987#!/compare/1586476800/1586563200

Unusable

Bot.tf sale:

https://bot.tf/stats/item?def=481&q=5&ef=Dead+Presidents&craft=1&aus=0&ks=0

1 @ 5 keys, 38.00 ref 26/01/2020 Not using as too close to buy orders

Classifieds at 9 keys for over 2 years

Taking 6 - 6.5 keys