Sale #1

http://backpack.tf/profiles/76561198016583076#!/compare/1479340800/1479427200

30 Disco Beat Down Chieftain's Challenge + 3 keys + 1.5 items = (34.5)

-mini DBD Chieftain

http://backpack.tf/profiles/76561198065864639#!/compare/1480809600/1480896000

(It's a QS, but it took 1 month to QS @ 30 http://www.tf2outpost.com/trade/28637081 )

Plus with 35 being unsold for 2 months & 34 unsold for 1 month, I think it fits.

Sale #2

http://backpack.tf/profiles/76561198041186431#!/compare/1478217600/1478304000 | http://www.tf2outpost.com/trade/28558304

Purple Confetti Specialized Killstreak Patriot Peak = (74)

Excluding due to current listings.

Sale #3

http://backpack.tf/profiles/76561198041186431#!/compare/1480204800/1480291200

http://backpack.tf/profiles/76561198080179568#!/compare/1480291200/1480377600

Appears to be SCM sale. (excluding)

-----------------

2 currently listed @ 40 keys

http://backpack.tf/item/5185846629 (2 weeks)

http://backpack.tf/item/5221298570 (3 weeks, have had on Outpost for 2 months without a B/O)

Taking 35 sale 1 (rounded) and using current listings to counter sale 2

Please let me know if I missed anything or made any mistakes. :)

[Re-suggesting @ 35 flat as Blaze recommended]