Selling ultrafine copper powder from Switzerland

I am offering ultrafine copper powder of 99,999 % purity from Switzerland.
Produced in boxes of 40 kg each and boxes of 20 kg each (2500 kg total available).
Boxes certified by a Public Notary of Switzerland on March 14, 2024.
The mineral is certified by a public body of the State of Switzerland and this document is updated every two years.
The last analysis of the copper was carried out by IGAS on 15.11.2023 which certifies the purity 99.9996% Cu.
The mineral was deposited in a warehouse from 2006 to 2013 and the SKR of the custodian house are available.
The product is or Russian Origin (Russian Federation), but has been Swiss property since 2006 and is free of any sanctions and tradable freely around the world.
Market value is 1700 USD per gram, but flexibility on price available if ordered in size.