After recieving some helpful tips from Headshotdoge I decided to give it a shot!

Classifieds : Sellers starting at 5 keys , buy orders 2.77 - https://gyazo.com/49c8dbd2701299f0c250b162e8b11f35

Sales:

Sale 1:

Sold for $8.79 on marketplace.tf. (on april 14th)

https://marketplace.tf/items/30917;5;u3004/'72%20Taunt:%20The%20Trackman's%20Touchdown

8.79/1,80(key) = 4.88keys (https://gyazo.com/c89b8b0f32c34da3e5c589ddb3423c0d)

Sale2 - Sales according bot.tf stats

In the past 30 days sold one for 3keys+3 refs

https://bot.tf/stats/item?def=30917&q=5&ef=%2772&craft=1&aus=0&ks=0

https://gyazo.com/a1c97bdb4b53ad5d947c8b0556ba43ab

Going for 3keys-5 keys

If I did any mistake,please correct me. Thank you and have a lovely day