The phrase in question refers to the monetary value associated with bovine gallstones. These formations, found in the gallbladder of cattle, are comprised primarily of bile acids, cholesterol, and calcium salts. The quoted rate can vary widely based on factors such as size, color, and origin of the stones, and whether they are whole or fragmented.
These items are prized in certain Asian markets for their purported medicinal properties. Historically, they have been used in Traditional Chinese Medicine (TCM). Demand from these markets significantly impacts the prices observed, rendering them a commodity subject to fluctuations influenced by supply and perceived therapeutic value. Economic forces in exporting and importing countries play a role in determining the final exchange.