Producer				Refined At				Code				Brand Marks
	AGR Joint Venture				Perth, Australia				PMAU				THE PERTH MINT AUSTRALIA (with swan motif mint mark within circle)
	ASARCO Incorporated				Amarillo, Texas				ASAT				ASARCO GOLD - AMARILLO, TEXAS
	Argor – Heraeus SA				Mendrisio, Switzerland				ARHE				Argor-Heraeus SA, A-H, Switzerland
	Argor S.A.				Chiasso, Switzerland				ARGO				* ARGOR S.A. CHIASSO-ASA
	Casa da Moeda do Brasil				Rio de Janeiro, Brazil				CASA				CASA DA MOEDA DO BRASIL-CMB
	Compagnie des Metaux Precieux				Ivry, France				CMPP				* COMPAGNIE DES METAUX PRECIEUX PARIS (may also contain letters CMP)
	Compagnie des Metaux Precieux				Ivry, France				SDBS				* SOCIETE DE BANQUE SUISSE
	Companhia Real de Metais				Sao Paulo, Brazil				CRDM				CRM
	Comptoir Lyon-Alemand Louyot				Noisy le Sec, France				CLAL				COMPTOIR-LYON-ALEMAND, LOUYOT-PARIS (with Affineur Fondeur within octagon)
	Engelhard Corporation				Carteret, NJ				ENNE				* ENGELHARD (may also be ENGELHARD NEW JERSEY-U.S.A. or ENGELHARD U.S.A.)
	Engelhard Corporation				Carteret, NJ				BAKE				* BAKER (within circle atop triangle)
	Engelhard Corporation				Chessington, England				ENCI				* ENGELHARD LONDON
	Engelhard Corporation				Thomastown, Australia				ENTH				* ENGELHARD AUSTRALIA
	Engelhard Corporation				Aurora, Ontario				ENAU				* ENGELHARD (with circle connected to 1/2 moon to left of name; may also be ENGELHARD INDUSTRIES OF CANADA LTD.)
	Golden West Refining Corporation Limited, Handy & Harman Refining Group, Inc.				Attleboro, MA				GWHH				* HH HANDY & HARMAN REFINING GROUP
	H.Drijfhout & Zoon's Edelmetaalbedrijven BV				Amsterdam, Netherlands				HDZA				H. DRIJFHOUT & ZOON-AMSTERDAM-MELTERS (within octagon)
	Handy & Harman				Attleboro, MA				HAND				* HH HANDY & HARMAN
	Heraeus Incorporated				Newark, NJ				HERI				HERAEUS FEINGOLD (with capital letter "E" preceding serial number)
	Heraeus Ltd.				Kowloon, Hong Kong				HERH				HERAEUS FEINGOLD (with capital letter "H" preceding serial number)
	Homestake Mining Company				Lead, SD				HMCO				* HOMESTAKE MINING COMPANY (with HMC all within circle)
	Johnson Matthey & Pauwels SA				Brussels, Belgium				JMPA				* JOHNSON MATTHEY & PAUWELS (within an oval)
	Johnson Matthey Chemicals Ltd.				Royston, England				JMLO				* JOHNSON MATTHEY LONDON (within an oval)
	Johnson Matthey Limited				Brampton, Ontario				JMMC				* JOHNSON MATTHEY & MALLORY-CANADA (within an oval)
	Johnson Matthey Limited				Brampton, Ontario				JMCA				* JM (with crossed hammers)
	Johnson Matthey Limited				Brampton, Ontario				JMJM				JOHNSON MATTHEY-JM (with crossed hammers and assay stamp: J.M. LTD.-CANADA-ASSAY OFFICE)
	Johnson Matthey Limited (Australia)				Kogarah, Australia				MGPS				* MATTHEY GARRETT PTY. SYDNEY REFINERS (within an oval)
	Johnson Matthey Limited (Australia)				Kogarah, Australia				JMLA				* JOHNSON MATTHEY LIMITED AUSTRALIA
	Johnson Matthey Refining, Inc.				Salt Lake City, UT				JMRI				JOHNSON MATTHEY-JM (with crossed hammers and assay stamp: J.M.R.I. U.S.A.-ASSAY OFFICE)
	Johnson Matthey, Inc.				Winslow, NJ				MBUS				* MATTHEY BISHOP U.S.A. (within an oval)
	Kennecott Utah Copper Corporation				Magna, UT				KUAU				KUC
	Metalli Preziosi S.p.A.				Milan, Italy				MPSP				METALLI PREZIOSI S.p.A. MILANO-AFFINAZIONE (with MP within a circle)
	Metallurgie Hoboken Overpelt SA				Hoboken, Belgium				MHOV				* METALLURGIE HOBOKEN OVERPELT
	Metalor Technologies USA Corp.				Attleboro, MA				MUST				METALOR® (with "MUS" assay mark)
	Metalor Technologies USA Corp.				Attleboro, MA				META				* METAUX PRECIEUX SA METALOR - MP (with "MUS" assay mark)
	Metaux Precieux SA Metalor				Neuchatel, Switzerland				MPSA				METAUX PRECIEUX SA - NEUCHATEL (with MP within a circle)
	Metaux Precieux SA Metalor				Neuchatel, Switzerland				SBCO				SWISS BANK CORPORATION
	Mitsubishi Materials Corporation				Kagawa, Japan				MITS				Three diamonds forming a triangle
	Mitsubishi Metal Corporation				Osaka, Japan				MMCO				* MITSUBISHI METAL CORPORATION (with three diamond mark within oval)
	Noranda Metallurgy, Inc. – Copper				Montreal East, Quebec				NINC				NORANDA MINES, Inc. - CCR, MONTREAL EAST, CANADA (within an oval)
	Noranda Mines Limited, CCR Division				Montreal East, Quebec				CCRL				* CANADIAN COPPER REFINERS LIMITED MONTREAL EAST, CANADA (within an oval)
	Noranda Mines Limited, CCR Division				Montreal East, Quebec				NORA				* NORANDA MINES LIMITED - CCR, MONTREAL EAST, CANADA (within an oval)
	Norddeutsche Affinerie AG				Hamburg, Germany				NAHA				NORDDEUTSCHE AFFINERIE HAMBURG
	PAMP S.A. (Produits Artistiques Metaux Precieux)				Castel S. Pietro, Switzerland				PAMP				PAMP-SUISSE
	Rand Refinery Limited				Germiston Transvaal				RRSA				RAND REFINERY Ltd. SOUTH AFRICA (encircling picture of springbok)
	Royal Canadian Mint				Ottawa, Canada				RCMI				ROYAL CANADIAN MINT (encircling a crown)
	Sabin Metal Corporation				Scottsville, NY				SABN				SMC
	Schone Edelmetaal NV				Amsterdam, Netherlands				GSNV				GUARANTEED BY SCHONE N.V. AMSTERDAM
	Sheffield Smelting Co. Ltd.				Sheffield, England				SSCL				* THE SHEFFIELD SMELTING CO. LTD. - LONDON & SHEFFIELD
	Tanaka Kikinzoku Kogyo K.K.				Ichikawa, Japan				TTME				TANAKA TOKYO-MELTERS
	USSR				Moscow, USSR				CCCP				CCCP (with hammer and sickle)
	Umicore AG & Co. KG				Hanau, Germany				DEGU				* DEGUSSA FEINGOLD (with 1/2 sun and 1/4 moon within diamond)
	Umicore AG & Co. KG				Burmington, Ontario				DECA				* DEGUSSA CANADA LTD. (with 1/2 sun and 1/4 moon within diamond)
	Umicore Brasil Ltda.				Guarulhos, Brazil				DEBR				DEGUSSA S.A. (with 1/2 sun and 1/4 moon within diamond)
	United States Metals Refining Co., division of Amax Copper, Inc.				Carteret, NJ				DRW				* DRW
	Valcambi SA				Balerna, Switzerland				CRSU				CREDIT SUISSE
	W.C. Heraeus, G.m.b.H.				Hanau, Germany				HERA				HERAEUS FEINGOLD (with Heraeus Edelmetalle GmbH-Hanau encircling three roses)
	n.v. Union Miniere s.a. – Business Unit Hoboken				Hoboken, Belgium				HOBO				Hoboken 9999

(1) Brands which are no longer produced are preceded by an asterisk (*).