True bantams are chickens that are bantam sized but don't have a larger counterpart.
“The Silkie is a very unique breed of chicken is the smallest chicken in the world plumage...Silkie
“The Sebright is a true bantam developed by Sir John Sebright in England in the 1800s. Sir John...Sebright
“The Japanese Bantam is a true bantam breed, called Chabo in Japan, meaning "dwarf" or "bantam...Japanese Bantam