These key blanks are perfect for any owner of a 1978 Diamond Jubilee or Collectors Series vehicle. The brand, Lincoln, ensures a perfect fit for your car's locks. These high-quality key blanks will provide secure access to your vehicle without the need for costly replacements. Make sure you have a spare key on hand with these reliable options. Add a touch of vintage style to your keychain with these 1978 Diamond Jubilee or Collectors Series key blanks.