Product Grading Frankincense Resin (Boswellia carterii) Grade 1 Frankincense Resin (Boswellia carterii) Grade 2 Myrrh Resin (Commiphora myrrha) Grade 1 Myrrh Resin (Commiphora myrrha) Grade 2 Opoponax Resin (Commiphora erythraea) Grade 1 Opoponax Resin (Commiphora erythraea) Grade 2
