Before you drop that china off at the thrift store, take a sec to flip it over and give it a closer look. Knowing how to spot valuable antique ... may be more than one stamp on an item, sometimes ...

People wait to buy special stamps marking the Year of the Snake at a post office in Guiyang, southwest China's Guizhou Province, Jan. 5, 2025. China Post on Sunday unveiled a set of two special ...