Pennyweight is derived from the price for a hundred nails in 15th century England: the larger the nail, the higher the cost per hundred. The pennyweight also bears no relation to the weight of the American "penny" (1 cent) coin, which weighs 2.5 g (for those minted after 1982). Pennyweight A pennyweight (abbreviated dwt, from denarius weight) is a unit of mass that is equal to 24 grains, of a troy ounce, of a troy pound, approximately 0.054857 avoirdupois ounce and exactly 1.55517384 grams. In the Middle Ages, a British penny's weight was literally, as well as monetarily, of an ounce
Ancient grains product containing "ancient grains" called "Cheerios + Ancient Grains". Proponents of ancient grains say that they are rich in protein, omega-3 fatty acids and antioxidants. Some nutritionists state that they are not inherently more healthy than modern grains, and that ancient and modern grains have similar health benefits when eaten as whole grains. This has led to criticism of the grouping as unscientific and driven by marketing. Some, but not all, ancient grains are gluten-free. Amaranth, quinoa, buckwheat, millet, and teff are gluten-free, but oats and the ancient kinds of wheat (including spelt, einkorn, and Khorasan wheat) are not. Ancient