You can use any type of brass polish to clean it.
#314 Authentic LOUIS VUITTON Lock & Key set Padlock brass Unpolished LV
Louis vuitton 314 - Gem
LOUIS VUITTON AUTH POLISHED BRASS LOCK & 2 KEYS Never opened NIB $120.00 - PicClick
Pinkerly Special Louis Vuitton Padlock and One Key 314 Lock
Louis Vuitton, Bags, Louis Vuitton Lock 2 Keys Lv Padlock
Louis vuitton 314 - Gem
Set of 3 LOUIS VUITTON Polished Golden Brass Padlocks Locks & Keys 302 303 314
LOUIS VUITTON Brass Gold Padlock with Matching Key (LV Lock Number 314)
Authentic LOUIS VUITTON Brass Padlock with Matching Key (LV Lock Number Varies)