Teaching point: examine silver through at least three lenses — physical properties (why it conducts electricity), economic use (historical coinage and modern investment), and cultural symbolism (literature, ritual). Contrasting these reveals how material characteristics and human meanings interact. “Priceless” describes things that defy monetary valuation: a child’s laughter, a cultural heritage site, a family heirloom. Yet declaring something priceless can be rhetorical (marketing uses it), ethical (moral worth), or practical (legal treatment of unique items). The tension between market value and moral or sentimental value raises important questions: When should we assign monetary metrics to cultural objects? What happens when markets collide with heritage protection?