[be] worth a fortune
1
to be extremely valuable, usually in terms of money
- His antique collection was worth a fortune, and he sold it for a huge sum at an auction.
- The antique vase that my grandparents gave me is worth a fortune.
- That rare painting is worth a fortune at auction.
- The antique car he owns is worth a fortune to collectors.
- This beachfront property will be worth a fortune in a few years.