A few nice coffee rub images I found:
Coffee Rubbed Texas Wagyu – Live Oak Barbecue
Image by freecandy13
Coffee Rubbed Texas Wagyu (Strube Ranch) Flat Iron Steak. "The Saturday Special" from 11/26/11. Live Oak Barbecue East Austin
Coffee Rubbed Texas Wagyu w/Peach Habanero Sauce – Live Oak Barbecue
Image by freecandy13
Coffee Rubbed Texas Wagyu (Strube Ranch) Flat Iron Steak served with Peach Habanero BBQ Sauce. "The Saturday Special" from 11/26/11. Live Oak Barbecue East Austin