Because of my collection storage method change, I decided rescan all my Soviet caps. If you want to know why I processed storage method read the article on Russian. Hundreds of pictures have been updated!
Most previous pictures was 230x230, new becomes approximately 700x700. I'm very satisfied with results. In fact, we have still many caps in poor quality. I hope, you will be able to help us with that!
By the way, many caps was cleaned before scanning. That was a lot of work! You can read about cleaning aluminum caps here (Russian version).
I bought engraver with lots of brushes. This device helped to clean some steel embossed caps, polish them up. Fast and useful tool!