Highlights from the Roadshow floor include a spinning wheel gifted to the owner’s mother by Mahatma Gandhi, now valued at $50,000 to $75,000; a pin designed by pop artist Roy Lichtenstein that features his trademark Ben-Day dot pattern; and a diamond and platinum Van Cleef and Arpels necklace that was custom ordered for $5,700 by the owner’s father-in-law and is now worth $125,000.