US$ 26.50
tobacco powerpoint presentation Health Risks of & Google Slides for 6th-8th Grade Smoking PowerPoint Presentation by Clem's
Description
Inhibition of human tumour prostate PC-3 cell growth by cannabinoids R(1)-methanandamide and JWH-015: involvement of CB2
Cambridge, MA: University of Chicago Press

I think that is reasonable considering the rarity, but don't pay a lot more than that

Fish guano has about the same effect, but gives a lighter color and thinner leaf
