★ Approximately 34.5mm, 64 copper circular plates These items have been stored for a long time. They are made of copper, and appear to have marks from being stacked, as well as some tarnish. Please enlarge the images to confirm. I will answer any questions, but as this is not my area of expertise, I will only be able to answer to the best of my knowledge. Shipping will be via "Smart Letter," so it may take about 3 days for delivery. Thank you for your purchase and I look forward to you receiving the items.