Element 69 is Thulium

A special opening line for you memers out there

Sale 1

http://www.tf2outpost.com/trade/27352498 Sold for Nuts Elfin + Planets L' + 7 keys

B/O for Jefe was 27

B/O for L' was 8.5

X = 9.5*0.9 + 7 + 8.5*0.9

X = 23

Elfin http://backpack.tf/item/631011897

Jefe http://backpack.tf/item/1459835302

L' http://backpack.tf/item/1579898417

Trade http://backpack.tf/profiles/76561198066195760?time=1446537600&compare=1446451200

Mini for Elfin

http://backpack.tf/vote/id/567a5b2aba8d88c735a94adf 9.5 keys, using 9.5

Mini for L'

http://backpack.tf/vote/id/567b871cdea9e9b3487f7748 12 keys, using 12

Sale 2

http://backpack.tf/profiles/76561198050412790?time=1446274800&compare=1446361200 Bulk for Ooze Jefe

Sale 3

http://backpack.tf/profiles/76561198119534537?time=1447660800&compare=1448524800 Gifted sold for 20 keys

Sale 4

http://www.tf2outpost.com/trade/27549814 Sold for G. Fetti Billy + 7 keys + G. Point n Shoot

B/O for Billy was 16

B/O for Jefe was 23

X = 15*0.9 + 2.2*0.9 + 7

X = 22

Trade http://backpack.tf/profiles/76561198104015615?time=1449475200&compare=1449734400

Billy http://backpack.tf/item/349186786

Jefe http://backpack.tf/item/1672803230

Mini for Billy

http://backpack.tf/vote/id/567bd72fb98d888931e94bfb 15 keys, using 15

Sale 5

http://www.tf2outpost.com/trade/27496568 Sold for Peace Trilby

Jefe had no trade, presuming offered

X = 20

Trilby http://backpack.tf/item/962770660

Jefe http://backpack.tf/item/1338273375

Mini for Trilby

http://backpack.tf/vote/id/567bcc35b98d88f72fe94bdc 20 keys, using 20

Sale 6

http://www.tf2outpost.com/trade/27524340 Sold for Pro KS Aussie Amby + Pro KS YER

B/O for Jefe was 25

X = 21.9*0.9 + 4*0.9

X = 23

Amby http://backpack.tf/item/4224349711

Mini for Amby

https://steamcompanion.com/tf2/Strange-Professional-Killstreak-Australium-Ambassador/ Sold for 57.71 on Nov 24th (None have been on market for a month)

57.71 + 57.71/1.15 = 107.89

107.89/2 = 53.95

Keys were $2.46 at time of sale

53.95/2.46 = 21.9 keys