Symbol 3667 from ISO 7000 - Title/Meaning: Not for direct sales to the public / Interdit pour la vente direct au publique Function/description: To indicate that the marked product, ingredient, or object is not to be sold to the public.
Additional information: 
The symbol can be applied to any item whose sale to the public is not allowed. Its usage is not restricted to a particular field of application.
Own work using: iso.org/obp/graphics/grs/7ffd8e09-78d5-483c-9867-22242a6a26d6 200.png
Vectorization:  Mrmw