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The mark that makes the difference

The official marks of the Portuguese Assay Offices  indicate the type of precious metal artefact – gold, silver, platinum and palladium – and the respective legal touch in order to ensure the protection of consumers against counterfeiting and the promotion of fair competition between economic operators

NEWS & EVENTS

  • Gondomar Contrastaria
    09Sep2021

    INCM takes part in a debate on the jewellery sector

    Mrs Paula Pedro, Director of the Assay Offices' and Supervision Unit (UCF), on behalf of INCM, will ...
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  • noticia 2021-06
    28Jun2021

    Assaying and innovation in tradition

    Today’s assay offices face new challenges in order to protect final consumers, not neglecting the ...
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    • + NEWS & EVENTS

OUR ASSAY OFFICES

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What is a hallmark?

The Official Mark of the Portuguese identifies the precious metal and the cool touch of the artifact.

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How is a hallmark created?

The design of the sponsor’s mark must be submitted to the assay office for approval, along with its respective application forms. It is possible to submit a design or purchase a pre-approved...

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Service scheduling system

The Assay Offices of Lisbon, Porto and Gondomar provide a new system for scheduling service by SMS or Internet, with the closeness, comfort, speed and security with which we wish to serve...

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