Independent certificate
- Certificate, Czech version, download here in PDF.
- Certificate, English version, download here in PDF.
- Certificate, Chinese version, download here in PDF.
Authorized expert in precious metals and gemstones with a specialization on the evaluation of authenticity. Technically qualified person in the dield, geochemistry and Earth structure research
![Certificate](IMG/mce1cz.jpg)
![Certificate](IMG/mce1en.jpg)
![Certificate](IMG/mce1cn.jpg)