Should i take this offer?

So i got offerd 84 Keys pure for my unusual taunt 

http://backpack.tf/stats/Unusual/Taunt%3A%20Deep%20Fried%20Desire/Tradable/Craftable/3012

I am kinda inneed of pure rn sincei have 31 keys already.

Is this a good offer? its 15% off..

(If ou have more keys pure and youde like to buy the taunt please add me)