Can you pick the most valuable ceramic? Watch Ph.D. Antiques Appraiser Dr. Lori date and appraise antique pottery pieces at her antiques appraisal events live as it happens. See how to identify pottery made in Japan and Germany so you can value that thrift store find when shopping. Do you think you know what a chocolate pot looks like? Watch to see if it’s really what you think. More about pottery markings.