Finally ,FINALLY ! I have purchased and gained my One True Dream hat .Thanks so much to everyone who helped me on this journey especially Vyté (the seller of the hat himself) .

So the proofs :

https://backpack.tf/profiles/76561198362078135#!/compare/1506729600/1506902400

https://backpack.tf/profiles/76561198049562987#!/compare/1504742400/1506902400

https://www.youtube.com/watch?v=rhOUywmHfxE

Old sale from 4 years ago :

https://backpack.tf/suggestion/52b154134dd7b8fa118b4568

Now the hat has officially been sold twice

Bought by me for a full 200 keys pure.

I'll pridely promise it won't be sold again.

~Credits to sin and moonman who helped me with this suggestion~