Suggestion 42. Squad 3.

2 years outdated.

Sold for 20 on April 28, 2020 (20/1.82 = 10.99 rounding to 11 keys)

Sold for 25.99 on June 19, 2020 (25.99/1.98 = 13.13 rounding to 13 keys)

https://marketplace.tf/items/tf2/95;5;u33

https://backpack.tf/item/1516518905

Untrace

https://backpack.tf/profiles/76561198199949434#!/compare/1587772800/1587859200

https://backpack.tf/profiles/76561198080179568#!/compare/1587772800/1587686400

Untrace

https://backpack.tf/profiles/76561198850274253#!/compare/1586736000/1586822400

https://backpack.tf/profiles/76561198199949434#!/compare/1586908800/1586736000

likely keys

Classifieds:

https://gyazo.com/c9246b7a4b840cc40681128b078ec188

The past sellers have been dropping gradually

https://bot.tf/stats/listings/YD1DK5R5

https://bot.tf/stats/listings/4P0X07JE

https://bot.tf/stats/listings/4J9Z1Q17

1 @ 11 keys

1 @ 13 keys

Considering the seller dropping from 14 to 13 to 12, considering 13 high here.

Taking 11 keys.