Those 3rd gen pom-pommed are all so terribly outdated

9 months old price

To start you off,

Sellers

http://www.tf2outpost.com/trade/24810510 - 2.6 B/O

http://www.tf2outpost.com/trade/24719148 - 3 B/O (1 week)

http://www.tf2outpost.com/trade/21575447 - 3.5 B/O (5 months)

http://www.tf2outpost.com/trade/23605026 - 3.5 B/O (2 months)

Sales

http://www.tf2outpost.com/trade/24759235 - sold for DBD big country ~1.8 (no overpay since offered) ( http://backpack.tf/profiles/76561198053134374?time=1422259200 )

http://www.tf2outpost.com/trade/23372827 - sold for lantern stove pipe ~2.6*0.9 = ~2.3 ( http://www.tf2outpost.com/trade/23446033 )

http://www.tf2outpost.com/trade/23934224 - sold for c9 chapeau ~3.3*0.9 = ~3 ~outlier ( http://backpack.tf/profiles/76561198111406281?time=1419667200 )

Sale at 3 seems to be too high considering multiple b/os at 2.5-3.5

DBD big country:

http://www.tf2outpost.com/trade/23723982 - sold for 19 keys pure + ~6.5 keys in sweets = ~25 keys = ~1.8 at time ( http://backpack.tf/profiles/76561198047106640?time=1416211200 )

Lantern pipe:

http://www.tf2outpost.com/trade/23314967 - offered along with 6 keys pure on bliz brainac ~3 = ~3 - 0.4 = ~2.6