"Mr. Baum, an American food processing tycoon and one of the many millionaires produced in the Gold-plated Age of the United States in the early 20th century, bought that crown back then."
After searching for two days, Leonard and others combined the previously found information and the content found in the library to make a basic judgment.
"But now the problem is that Mr. Baum's family suffered a severe setback due to a series of scandals in the food supplement manufacturing industry in the 1940s, and they had to sell a large number of family properties in hopes of weathering the storm, including the crown."
"Now the problem is that we don't know who the buyer was after the resale because we can't find any record of the auction." Joan said helplessly, "Even the auction house went bankrupt and closed 35 years ago."