Precious metal "precious" metal can also be determined by high demand or market value. Precious metals in bulk form are known as bullion and are traded on commodity markets. Bullion metals may be cast into ingots or minted into coins. The defining attribute of bullion is that it is valued by its mass and purity rather than by a face value as money. The level of purity varies from issue to issue. "Three nines" (99.9%) purity is common. The purest mass-produced bullion coins are in the Canadian Gold Maple Leaf series, which go up to 99.999% purity. A 100% pure bullion is
Ordo Aurum Solis George Stanton. In the changing religious and political environment of the late 19th century, they decided to take the core philosophy of the Societas Rotae Fulgentis and constitute it into a living magical and initiatory order, establishing Ordo Aurum Solis in 1897 and reawakening the Golden Chain of the Greek and Egyptian initiatic heritage. Melita Denning and Osborne Phillips are the pen-names of Vivian Godfrey and Leon Barcynski, who together authored many books in the early days of Llewellyn Publications. Chief among these was the formal presentation of the Order Aurum Solis' philosophy and praxis: "The Magical Philosophy". Melita Denning,