Important Notice – Exceptional Office Closures (May & June 2026)

Dear customers and numismatists,

We would like to inform you of several exceptional changes to the opening hours of our numismatic counter and offices over the coming weeks.

• Thursday, May 14
  
  Our Parisian numismatic shop at 36 rue Vivienne will be closed (Ascension Day holiday). Our offices will, however, be open during regular hours on Friday, May 15th and Saturday, May 16th, 2026. However, the telephone reception and customer service will be closed on these two days.
   
• Tuesday, May 19, 2026
  
  Due to maintenance works, our offices will be exceptionally closed for the entire day.
  No appointments or order pickups will be possible.
   
• Monday, May 25, 2026
  
  Exceptional office closure (Public holiday - Whit Monday).
   
• Wednesday, June 3, 2026
  
  Exceptional closure from 12:00 noon onward.

We sincerely thank you for your understanding and remain at your disposal outside of these closure periods.

Best Regards,

Joël Cornu, Président Directeur Général de CGB
Et toute l’équipe de CGB