2 years old price!

Sale 1:

Sold for SCM funds

http://www.tf2outpost.com/trade/28615874

http://imgur.com/a/b4hB4

Seller Received:

29.89/2.25 = ~12.88 (rounding to 13 keys)

Buyer Paid:

(28.98*1.15)/2.25 = ~13.38 (rounding to 13 keys)

However, B/O was 12 keys at which it should be capped.

Note: keys were 2.25 USD each at the time of sale http://i.imgur.com/GZPLdu3.png

Sale 2: (can be used to update the mongolian)

Sold for Memory Leak Magnificent Mongolian

http://backpack.tf/profiles/76561198253950930#!/compare/1478995200/1479081600

Sale 3:

Involved in a bulk deal

http://backpack.tf/profiles/76561198102812473#!/compare/1478822400/1478995200

Sale 4:

Unable to identify sale

http://backpack.tf/profiles/76561198170769455#!/compare/1478736000/1478822400

http://backpack.tf/profiles/76561198102812473#!/compare/1478563200/1478736000

Conclusion:

One valid sale at 12 keys. Taking a final flat price of 12 keys.

Feel free to support/counter my suggestion!