Signature Reserve : Grass-Finished Wagyu 20 lb PackA new standard for grass finished beef : Wagyu & Parthenais Cross Breed The only farm in the world to do it. We harvested another steer and have a limited quantity of our delicious 100% grass fed, grass finished Wagyu beef. HIGH Grade Score is Higher Marbling LOW Grade Score is Lower Marbling (i. e., younger Wagyu steer) The marbling of Japanese Wagyu Beef crossed with the genetics of French Parthenais that result in beautifully marbled, 100% grass