An 8-yr-old UK boy found a “rock” on the beach which turned out to be ambergris (sperm whale excrement). Perfumeries like Chanel prize ambergris for its ability to fix scent to skin; the blob of ambergris was worth ~$63K. – WTF Fun Facts
Source: What’s Ambergris? Behind the $60k Whale-Waste Find (nationalgeographic.com)