Sale 1

Steam Community Market Proof of Purchase

http://imgur.com/oW9i2sp

http://imgur.com/T8N6Z6F

$97.06/$2.48=39 keys

*Edit*

The link below shows the amount received by the original poster before Team Fortress 2 and Steam Community Market Fees.

https://gyazo.com/1a8e47dd3fb4802696b26a47f2445bc8

$84.40/2.48=34 keys

The keys were priced using the Steam Community Market price.

Sale 2

No proof of purchase in backpack.tf history, possibly unboxed, however there is no way to tell. The backpack was private variously and there is a period of 12 days missing from the history of the previous owner.

There my bad