Nikolay Kolev

I think this project https://pypi.org/project/CurrencyConverter/ will make the implementation of this functionality much easier.

Interesting article that may be of use [Optimizing SQLite for servers](https://kerkour.com/sqlite-for-servers)

You can edit the names of the fields (add information about which field is which) and then make your tree. When you set up the tree you can revert the...

> Adding a field next to the mint or the mint/printing house checkbox in the case of coins is the mint, in the case of banknotes. securities or other postal...

Perhaps for the second point, this description for Grade might be more suitable to be added to the functionality for the catalog/auction price where the Grade will be entered https://github.com/OpenNumismat/open-numismat/issues/157