Re-suggesting: http://backpack.tf/vote/id/53336cf44dd7b8d0068b4569 -

Original values of unusuals and items used and overpay applied when necessary. Buds and keys what they were time of sale

Proof #1

http://www.tf2outpost.com/trade/15540828

Added 4 buds for Duped Hearts Bonk Boy (~8.5) + Duped Burning Phantom (~8)

Total: ~12.5 buds

Proof #2

http://www.tf2outpost.com/trade/17844296

Offered on and sold + 4 buds for a C9 Viewfinder (~18)

I didn't use this trade before because I thought it affected the C9 VF suggestion, but it doesn/t/didn't so...

Total: ~14 buds

Currently on Outpost: 3

http://www.tf2outpost.com/search/199741302

-30 buds

-20 buds

-20 buds

Conclusion

Only traceable/not too old sale out there. This thing doesn't get out much so much apparently. So I hope this is enough