One of our absolute favourite pieces of stationery. Midori's BRASS Number Clips are made from pure brass vintage number clips. Use them as bookmarks, to stencil numbers, to index pages, order things by priority or create a file for your monthly expenses for the whole year. Or don't use them at all. Age them and scatter them around your desk. They're that beautiful.
There are various guides out there on how to age these clips and make them even more beautiful. Consult Professor Google.