Blanchard is a bullion and coin company, they place some of their coins in plastic holders and assign a grade, but don't accept submissions from the public.
Blanchard was the slabbing division of Blanchard Company. Blanchard specialized in gold coins. The slab was designed by ACG (Accugrade). Their slabbed coins from approximately 1986 through 1989 and they have since lost the license to use the ACG design.