Sale 1

http://backpack.tf/profiles/76561198090106945#!/compare/1490918400/1491091200

Sold for pure with tons of items, don't use

Sale 2

http://bazaar.tf/trade/1536528

About 1 key in items, low

Market

http://steamcommunity.com/market/listings/440/Strange%20Flared%20Frontiersman

Lowest sales: 2x @ $2.81

Highest: 2x @ $3.41

2.81 / 1.85 = 1.5 key

3.41 / 1.85 = 1.85 rounded to 1.9

Buyers @ $2.60, $2.54, $2.53 and lower

$2.60 - tax = $2.27 (1.25 key)

$2.54 - tax = $2.23 (1.2 key)

$2.53 - tax = $2.22 (1.2 key)

http://screenshot.sh/m7QECsbdVZCI1

Summary

Sale @ 1 key

Market sales @ 1.5 - 1.9 keys

Market buyers @ 1.25 keys and less

Market buyers counter my low trade, taking range with lowest and highest SCM transactions

PS. Sorry for mistakes in currency (if there are any), Steam shows me everything in euro, so I needed to convert it.