This item is transformable and I can switch between these 3: [ I have no idea what this item is worth but feel free to offer :)

I am pretty sure it is one of those items that you can't sell/trade. It is an Account-bound prize

oooh I didn't know you can't sell it! My bad then, I'm very sorry :(

Don't be sorry. There isn't even an option on it to trade or be able to sell it. I just wanted to let you know. Have a lovely day/evening.