What should I do with a gold bracelet I found three years ago on a mode of transport, which I have not announced, knowing that I will be leaving the country in a week?

If the value of a found item is significant, it is permissible to take it, but it must be publicly announced for a full year. If its owner comes and describes it, it should be handed over to him without further proof. If the owner is not identified, it becomes like the personal property of the finder, who may benefit from it as he wishes, provided that he knows its description so he can return it to its owner whenever he appears. Otherwise, he must pay the owner an equivalent if it is a fungible item, or its value if it is a non-fungible item.