According to their website they are the real deal. Usually when they spell it correctly that is the case:
“The large fowl black Ameraucana chicken is the most popular American Poultry Association recognized variety. And also generally the most winning variety at poultry shows. They have what the judges are looking for and also what many poultry enthusiasts want in a backyard chicken.
Our seedstock for the large fowl black Ameraucana came from their creator, John W Blehm of Michigan, in 2014.”
“The large fowl black Ameraucana chicken is the most popular American Poultry Association recognized variety. And also generally the most winning variety at poultry shows. They have what the judges are looking for and also what many poultry enthusiasts want in a backyard chicken.
Our seedstock for the large fowl black Ameraucana came from their creator, John W Blehm of Michigan, in 2014.”