![Belgium: Great War Commemoration medal”Bureau de Bienfaisance de Namur” (Charity Office)Circa.1914/1918 – Relic Militaria – Military Antiques and Memorabilia Belgium: Great War Commemoration medal”Bureau de Bienfaisance de Namur” (Charity Office)Circa.1914/1918 – Relic Militaria – Military Antiques and Memorabilia](https://www.relicmilitaria.com/wp-content/uploads/2020/04/dscn4687-300x357.jpg)
Belgium: Great War Commemoration medal”Bureau de Bienfaisance de Namur” (Charity Office)Circa.1914/1918 – Relic Militaria – Military Antiques and Memorabilia
![Belgium dedicates a special 2 Euro coin to plant health at the occasion of the IYPH 2020 - International Plant Protection Convention Belgium dedicates a special 2 Euro coin to plant health at the occasion of the IYPH 2020 - International Plant Protection Convention](https://assets.ippc.int/static/media/uploads/news/.thumbnails/2eurocoin.png/2eurocoin-800x400.png)
Belgium dedicates a special 2 Euro coin to plant health at the occasion of the IYPH 2020 - International Plant Protection Convention
I have a Belgian 1€ coin from 1999. I want to clean it and that it will not lose its value (like, that it'll stay, 1€). What's the easiest and safest way
![Department of Justice Federal Bureau of Prisons Special Operations Response Team Challenge Coin - Etsy Department of Justice Federal Bureau of Prisons Special Operations Response Team Challenge Coin - Etsy](https://i.etsystatic.com/10748411/r/il/f4f917/3125332547/il_fullxfull.3125332547_5gwf.jpg)
Department of Justice Federal Bureau of Prisons Special Operations Response Team Challenge Coin - Etsy
![Belgium: Great War Commemoration medal”Bureau de Bienfaisance de Namur” (Charity Office)Circa.1914/1918 – Relic Militaria – Military Antiques and Memorabilia Belgium: Great War Commemoration medal”Bureau de Bienfaisance de Namur” (Charity Office)Circa.1914/1918 – Relic Militaria – Military Antiques and Memorabilia](https://www.relicmilitaria.com/wp-content/uploads/2020/04/dscn4688-300x354.jpg)