Louis Vuitton Lock #310 With Necklace Beautiful LV Lock on a gold necklace chain. Chain is not real gold, just added to the lock to wear. Lock is authentic, does not come with key. One of the main symbolisms and the spiritual meaning of angel number 310 is about perseverance, hard work, and not giving up on the future. It is a reminder that you can have the life purpose you want but you need to do some work to make that dream a reality.