If the former landlord has not clearly stated the usage rules of this item, you can consider the following methods to deal with this gossip bronze mirror:
1. Keep: If you are interested in this item and think it has certain value, you can keep it. However, please note that collecting doesn't mean you have to use it.
2. Remove the mirror: If you think this mirror is out of date and no longer meets your aesthetic standards, you can remove it. However, please note that removing the mirror may cause damage to the house, so you need to ensure that you have adequate protective measures.
Put it in the right place: If you think this mirror is in the right place, you can put it in the right place. However, please note that placing mirrors may cause damage to the house, so you need to ensure that you have adequate protective measures.
4. Give it to a professional: If you think there is something wrong with this mirror or you are not sure how to deal with it, you can give it to a professional. Please note, however, that handing it over to a professional may incur additional costs.
In short, if you have bought a second-hand house and the former landlord left this gossip bronze mirror, then you should communicate with the former landlord to make sure that you have understood the rules and precautions for using this item. If you are not sure what to do with this item, you can give it to a professional or remove the mirror.