The Federation series is a bunch of extremely expensive, limited hats that are of high demand on the LMaD forums.
There are currently seven federation hats on ROBLOX, this is what each of them are going for and how many there are in ROBLOX.
Lord of the Federation: Only 10 were sold for 250,000 ROBUX and is currently selling for 50,000,000 ROBUX+.
They are actually 3 privates sellers.
Duke of the Federation: Only 25 were sold for 100,000 ROBUX and is currently selling for 1,300,000 ROBUX+.
Earl of the Federation: Only 50 were sold and is currently selling for 299999 ROBUX
Countess of the Federation: Only 50 were sold and is currently selling for 300000 ROBUX.
Fool of the Federation: The most common of the federation hats. 2500 were sold and is currently selling for 700 ROBUX The original price was 100 ROBUX.
Lord of the Tixeration This is the only Federation hat that is not a LimitedU item. This hat has 48 copies and was a hat made for the tickets memorial. it sold for 1500000 tickets and can't be bought anymore.