Kill-a-Watt Voodoo JuJu (Slight Return)

Sale 1

https://backpack.tf/profiles/76561198386167415#!/compare/1591228800/1591833600

https://backpack.tf/profiles/76561198347536169#!/compare/1590624000/1591488000

Traded along with 5 keys. Could be traded with the Vicious Circle Tank Top but that was bought more than a week prior. Due to ambiguity, excluding.

Sale 2

https://backpack.tf/profiles/76561198259985834#!/compare/1587600000/1587945600

https://backpack.tf/profiles/76561198114565714#!/compare/1587686400/1588377600

Untraceable

Sale 3

https://backpack.tf/profiles/76561198092368589#!/compare/1587859200/1588982400

https://backpack.tf/profiles/76561198285101537#!/compare/1588982400/1588982400

Untraceable

Sale 4

https://backpack.tf/profiles/76561198285101537#!/compare/1588982400/1588982400

https://backpack.tf/profiles/76561198061306996#!/compare/1583107200/1590105600

Untraceable

Sale 5

https://backpack.tf/profiles/76561198070443338#!/compare/1587772800/1587859200

https://backpack.tf/profiles/76561198123878798#!/compare/1587772800/1587859200

Untraceable

Sale 6

https://backpack.tf/profiles/76561198123878798#!/compare/1587859200/1587945600

https://backpack.tf/profiles/76561198804102808#!/compare/1584057600/1588032000

Untraceable

Sale 7

https://backpack.tf/profiles/76561198326037819#!/compare/1593043200/1593388800

https://backpack.tf/profiles/76561198011321852#!/compare/1593561600/1593648000

Untraceable

Marketplace sales: https://marketplace.tf/items/tf2/935;5;u56

1. Sold on 4/21/2020 for $15.56 / $1.79 = 8.69 keys ~ 8.5

2. Sold on 4/28/2020 for $12.2 / $1.82 = 6.70 keys ~ 6.5

3. Sold on 5/10/2020 for $17 / $1.90 = 8.95 keys ~ 9

4. Sold on 6/24/2020 for $22.22 / $2.00 = 11.11 keys ~ 11

Seller at 9 listed 27 days. Taking that into account, usable sales are 8.5, 6.5 and 9. Taking 6.5 - 9