Brands
 

 

Producer Refined At Code Brand Marks
ASARCO Incorporated Amarillo, Texas ASAT ASARCO SILVER - AMARILLO, TEXAS
ASARCO Incorporated Baltimore, MD ASBA * ASARCO BALTIMORE, MARYLAND
ASARCO Incorporated Perth Amboy, NJ ASCP * AS & R CO. - PERTH AMBOY, N.J.
ASARCO Incorporated Perth Amboy, NJ ASPA * ASARCO-PERTH AMBOY, NEW JERSEY
ASARCO Incorporated Selby, CA SGSR * SELBY GOLD & SILVER REFINERY, SAN FRANCISCO, CAL.
Britannia Refined Metals Co. Northfleet, England BLCO BLCo.
Broken Hill Associated Smelters Pty. Ltd. Port Pirie, Australia BHAS BHAS
Cerro de Pasco Corporation La Oroya, Peru CDPP * C de P PERU
Cominco Ltd. Trail, British Columbia TADA TADANAC
Compania de Real Monte y Pachuca Pachuca, Mexico RDMM R del M
Comptoir Lyon-Alemand Louyot Noisy le Sec, France CLAP * COMPTOIR-LYON-ALEMAND, LOUYOT & CIE-PARIS
Comptoir Lyon-Alemand Louyot Noisy le Sec, France CLAL COMPTOIR-LYON-ALEMAND, LOUYOT-PARIS
Dowa Mining Co., Ltd. Kosaka City, Japan DOWA DOWA (with crossed hammers within circle)
Empresa Minera del Peru SA La Oroya, Peru CPPE CP-PERU
Engelhard Corporation Chessington, England ENCI * ENGELHARD LONDON
Engelhard Corporation Carteret, NJ ENNE * ENGELHARD
Engelhard Corporation Ivry, France ECMP * ENGELHARD (with Compagnie Des Metaux Precieux-Paris within an oval)
Furukawa Metals Co., Ltd. Nikko City, Japan TRIA OPEN TRIANGLE (like letter A, brand name "Yamaichi")
Golden West Refining Corporation Limited, Handy & Harman Refining Group, Inc. Attleboro, MA GWHH * HH HANDY & HARMAN REFINING GROUP
Handy & Harman Attleboro, MA HAND * HH HANDY & HARMAN SILVER
Handy & Harman Fairfield, CT HARM * HH HANDY & HARMAN SILVER (with capital letter F bars produced at Fairfield, Conn.)
INCO Limited Sudbury, Ontario ORCO ORC
Industrial Minera Mexico SA Monterrey, Mexico ASMO * ASARCO-MONTERREY
Industrial Minera Mexico SA Monterrey, Mexico IMMM IMM-MONTERREY
Johnson Matthey Chemicals, Ltd. Royston, England JMLO * JOHNSON MATTHEY LONDON
Johnson Matthey Chemicals, Ltd. Royston, England JMCF * JMCF
Johnson Matthey Limited Brampton, Ontario JMLT JM and crossed hammers in diamond surrounded by JOHNSON MATTHEY CANADA
Johnson Matthey Limited Brampton, Ontario JMJM * JOHNSON MATTHEY-JM (with crossed hammers and assay stamp: JM LTD.-CANADA-ASSAY OFFICE)
Johnson Matthey Limited Brampton, Ontario JMCA * JM (with crossed hammers)
Johnson Matthey Limited Brampton, Ontario JMMC * J.M. & M. Ltd.
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)
Kam-Kotia Mines, Ltd. Cobalt, Ontario CRKO * CRK
Kennecott Corporation Magna, UT KUEU * KUE
KGHM Polska Miedz S.A. Glogow, Poland KGHM KGHM HG
Met-Mex Penoles, SA de CV Monterrey, Mexico MPSA * METALURGICA MEXICANA PENOLES S.A.
Met-Mex Penoles, SA de CV Torreon, Mexico POPM PRODUCT OF PENOLES MEXICO
Metalli Preziosi S.p.A. Milan, Italy MPSP METALLI PREZIOSI S.p.A. MILANO (with MP)
Metalor Precieux SA Metalor Neuchatel, Switzerland MPOR METAUX PRECIEUX SA METALOR (in a circle with letters MP in center)
Metalor Technologies USA Corp. N. Attleboro, MA MUST METALOR® (with "MUS" assay mark)
Metalor Technologies USA Corp. N. Attleboro, MA META * METAUX PRECIEUX SA METALOR (in a circle with letters MUS in center)
Mitsubishi Materials Corporation Kagawa, Japan DIAM Three diamonds forming a triangle
No. 1 Mining Corporation Namtu, Burma BRMA BURMA MINES
Xstrata Canada Corporation Montreal East, Quebec CCRL CCR CANADA
Norddeutsche Affinerie A.G. Hamburg, W. Germany NAHA NORDDEUTSCHE AFFINERIE HAMBURG
PAMP S.A. Castel San Pietro, Switzerland PAMP PAMP
PGP Industries, Inc. Duncan, SC PGPI * PGP
Rand Refinery Limited Germiston, Transvaal RRSA RAND REFINERY LTD. (with RR Ltd. on underside)
Rudarsko Metalursko Hemijski Kombinat, Trepca Zvecan, Yugoslavia TREP TREPCA
Sabin Metal Corporation Scottsville, NY SABN SMC
Sheffield Smelting Co., Ltd. Sheffield, England SSCL * THE SHEFFIELD SMELTING CO. LTD.
The Anaconda Company Perth Amboy, NJ UMCO * UMS CO.
The Bunker Hill Company Kellogg, ID HILL * BUNKER HILL
U.S. Smelting, Refining & Mining East Chicago, IL USSC * USSCO
Umicore AG & Co. KG Hanau, Germany DEGU * DEGUSSA (with 1/2 sun and 1/4 moon within diamond)
Umicore AG & Co. KG South Plainfield, NJ METZ * DEGUSSA (with 1/2 sun and 1/4 moon within diamond, also Metz est. 1921)
United States Assay Office Denver, Colorado USDE * SEAL OF UNITED STATES (with year and location of production)
United States Assay Office New York, NY USNY * SEAL OF UNITED STATES (with year and location of production)
United States Assay Office Philadelphia, PA USPH * SEAL OF UNITED STATES (with year and location of production)
United States Assay Office San Francisco, CA USSF * SEAL OF UNITED STATES (with year and location of production)
United States Metals Refining Co., a division of Amax Copper, Inc. Carteret, NJ DRW * DRW
Zaklady Metalurginczne Trzebinia Trzebinia, Poland ZTMP ZTM
n.v. Union Miniere s.a. – Business Unit Hoboken Hoboken, Belgium MHOV * HOBOKEN 999.7+
n.v. Union Miniere s.a. – Business Unit Hoboken Hoboken, Belgium HOBN HOBOKEN 999+


 

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