I've had a quick look through Behance for different coffee branding visual research and these are what I've found that relate to the style I want to produce for the Sipi Coffee brand.
www.behance.net/gallery/J-Hornig-Branding-Packaging/11475995
www.behance.net/gallery/Fernwood-Coffee/10180903
www.behance.net/gallery/Thompson-Tea-Coffee-Co/8812919
www.behance.net/gallery/Map-Coffee-Capsules/10976413
www.behance.net/gallery/Kokomo/11003297
www.behance.net/gallery/The-Coco-Bean/934526
www.behance.net/gallery/Shade-Grown-Coffee-Co/11470473
www.behance.net/gallery/Dapper-Wise/10817067
www.behance.net/gallery/Good-Co-Coffee/255405
www.behance.net/gallery/Karmalatt-Packaging/3787101
www.behance.net/gallery/Percol/3609823
www.behance.net/gallery/Toms-Coffee-Company/8318857
www.behance.net/gallery/ODE-TO-THE-COFFEE-STAIN/11333389