This is Newton Triopen matte black, the successor to the 600 Triopen. Of course, the metal is brass. Matte black is an item that you can enjoy paint aging, so I think there is almost no unused dead stock. Please see the pictures for more details.If you have any question about the condition, accessories, or anything about the product, Please feel free to ask questions. We are glad to answer all your concerns. If that, please let us know within 3 days you got the item. This item is in the category "Collectibles\Pens & Writing Instruments\Pens\Ballpoint Pens\Rotring". The seller is "firek-4858" and is located in this country: JP. This item can be shipped worldwide.