Go to any bank like in Summerset or any bank located in a city that has a bank.
Go to the bank.
Talk to the bank clerk.
You’ll see 4 sectections to choose from.
Select The 3rd one Guild Store.
You’ll see the words item name and then a empty box where you type in.
Click on the box to type in the word Tabard.
Scroll down to the word Category click on it scroll all the way down to the word Miscellaneous.
Scroll down to the second tab click on it