The main thing is condition, condition, condition. If a dish has a crack, flaw or discoloration, it is not the same as one that is perfect. Loewen has been appraising everything from furniture to artwork for about 15 years. She sometimes will get help from another appraiser who might specialize in rare automobiles or diamonds. Appraisals are done for a variety of reasons.
Some people are just curious.
Other times, families are trying to equally divide a deceased family member's belongings. When couples go through a divorce, appraisals often are done to equally divide property. The show has inspired many viewers to do a little hunting in their attics in the hopes of dusting off a hidden treasure. Don't dust too much. Sometimes trying to restore something can do more harm than good.