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 "The Divine Arcana of the Aurum Solis" and "Rediscover the Magick of the Gods and Goddesses". Another book contains practices coming from the Aurum Solis. This is "The Magical Use of Prayer Beads". All these books have been published by Llewellyn Publications. Vivian Godfrey (Melita Denning) was diagnosed with cancer early in 1997 and died on March 23 of that same year. On June 14, 2003, Leon Barcynski (Osborne Phillips) retired as Grand Master and was succeeded by Jean-Louis de Biasi, the current Grand Master, who subsequently made a declaration that bore witness to the Hermetic nature of the work