A copy of the application for a license to conduct a sale under this article, including a copy of the inventory filed therewith, shall be posted in a conspicuous place in the sales room or place where the inventoried goods are to be sold so that the public may be informed of the facts relating to the goods before purchasing same. Any advertisement or announcement published in connection with the sale shall conspicuously show on its face the number of the license, the date of its expiration, and if applicable, the location where the business is to be resumed.