Pure black French Bulldog puppies have coats that are a sleek black and will never have any brindling. There are two darling pure blacks in this litter from Beauty and Shazam, along with pure blues and a pure blue pied. You can see the pure blacks starting at the 5:10 mark.
Here is a litter from Django and Eve featuring two beautiful pure black French Bulldog puppies named Greenlee (around the 2:20 mark) and Patrick (around the 5:00 mark).
Kelly and Duke had a beautiful litter, including a gorgeous pure black French Bulldog girl named Bell that you can see at about the 4:20 mark.
Josie and Devin had a litter of four darling puppies, including a pure black French Bulldog boy named Jack that you can see at the 2:00 mark.
