Hallmarking and Legal Information

Company Information

  • Legal Name: Midnight Watches - Unipessoal Lda.
  • VAT Number (NIF): PT516831135
  • Business Activity: Jewelry Retailer - With Physical Premises
  • License No.: T2526

Authenticity Guarantee and Hallmarking

All precious metal items sold by Midnight Watches are duly hallmarked and comply with the regulations of the Portuguese Legal Regime of Goldsmiths and Assay Offices (RJOC).

We hereby inform the buyer that, in the event of doubt regarding the authenticity of the hallmarks, they may resort to the services of the INCM Assay Offices (Contrastarias) for verification purposes.

Precious Metal Quotes

You may consult the daily market prices for gold, silver, platinum, and palladium via the official AORP website (linked to the Bank of Portugal):

Official List of Appraisers

To consult the official list of appraisers for precious metal items and gemstones registered with the INCM, please visit:

Legal Hallmarks Chart

In accordance with Article 64 of the RJOC, we provide the official hallmark chart of the Portuguese Assay Offices for your reference: