World wide
  • Wikipedia
  • 925-1000
  • Jewelry marks, makers and dates reference list
  • Medalnet (hallmarks on German medals)
  • Modern Silver
  • SilverMine
  • Chicago Silver
  • Froufrou (mainly German makers' marks)
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    International
  • Convention Hallmarks
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    United States
  • over 3600 American makers working from c 1650-1900
  • Art Guide Source
  • Collectible Costume Jewelry (makers' marks)
  • Encyclopedia of American Silver Marks
  • Gorham Silver
  • Gorham date letters & symbols
  • Illusion jewels
  • Replacements Ltd. (makers' marks)
  • Souvenir Spoons
  • American sterling silver makers
  • American silver plate makers
  • Native American Silversmith hallmarks
  • US Patent Number
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    Australia
  • Gold & Silversmith Guild of Australia
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    Austria
  • Klammer
  • Punzierungs- und Probieramt
  • Silvercollection (ASCAS)
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    Belgium
  • Modern Belgian Hallmarks
  • Silverbel
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    Canada
  • Canadian Patent Database
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    Cyprus
  • Cyprus Assay Organisation
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    Czech republic
  • Puncovni Urad
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    Denmark
  • Force
  • Nobel Antik
  • The Silver Fund (Georg Jensen)
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    Estonia
  • Eesti Proovikoda
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    Finland
  • Inspecta
  • Tukes (makers' marks in Finnish)
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    France
  • 925-1000
  • Nicolas Marischael
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    Germany
  • 925-1000
  • Silvercollection (after 1888)
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    Hungary
  • Nemesfemviszgalo (in hungarian)
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    Ireland
  • Statutebook (not illustrated)
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    India
  • Gurajat Gold
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    Israel
  • Standards Institution of Israel
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    Italy
  • ASCAS (19th and 20th century)
  • Assicor Italia (in Italian)
  • Silvercollection
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    Japan
  • Japan Mint
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    Lithuania
  • Lietuvos Prabavimo Rūmai
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    Mexico
  • 925-1000
  • William Spratling
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    The Netherlands
  • WaarborgHolland / Dutch Assay Office
  • Edelmetaal Waarborg Nederland / Netherlands Assay Office
  • Goldsite (in Dutch)
  • Jan Schipper's Frisian Makers' Marks
  • Dutch Maker's Marks search-engine
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    Norway
  • Modern Norwegian hallmarks
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    Poland
  • Probier Nictwo / Polish Assay Offices
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    Portugal
  • Imprensa Nacional Casa da Moeda
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    Russia
  • Russian Assay Office (in Cyrillic, not illustrated)
  • Silvercollection
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    Slovenia
  • Meroslovna Institucija Republike Slovenije
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    Spain
  • Plateria Muńzo Arce
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    Sweden
  • Modern Swedish hallmarks
  • Swedac (makers' marks)
  • Proving Forskning (in Swedish)
  • Oscarianska (date-letters)
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    Switzerland
  • Luger's weblog
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    United Kingdom
  • Antique Silver Spoons
  • Birmingham Assay Office
  • British Hallmarking Council
  • British Horological Institute
  • Edinburgh Assay Office
  • The Goldsmiths' Company (London)
  • Silvercollection (ASCAS) (also makers' marks)
  • Sheffield Assay Office
  • Makers' Marks on British Silver
  • The Watch Cabinet
  • Silvercollection (electroplated)
  • Elkington date-letters
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    General
  • Silver Magazine
  • The Finial
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    Silver Forum
  • English Silver Society
  • Society of American Silversmiths (also for appraisers)
  • Silver Collector
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