I would not mind using some Ancient Coins to save clothes setups as my own wardrobe/costume. f.ex 250 Ancient coins for 3 personal costume setups that you have defined yourself by combining jackets, shirts, pants, shoes etc...
Pay Ancient Coins to have your personal wardrobe on your ship! Jolly good hehe
Other means of earning from this can f.ex allow it to be used similar to Trinkets, where the Captain can change out the Clothing Chest with a Wardrobe, allowing crew to save their own clothing set for that particular ship.
You can also sell different skins to the Wardrobe that aligns with the ship cosmetics etc if this feature becomes popular.
Cheers!