I'm assuming this is real copper, but am not 100%. It's not magnetic & it has a low tone when tapped. Hallmarks: None Weight: 23.8g Max. width: 0.93" Size is adjustable. Condition: Pre-loved condition. The bend is not perfect, but is not noticeable when wearing. Pre-loved condition means that there is some light to normal wear, which may include marks, scratches, dirt, discoloration etc. Be sure to check out the photos closely & if you have any questions, please don't hesitate to ask. Any other information or issues will be noted above. I almost always keep patina natural on sterling silver. However, if you do purchase an item and would like it to be shined, please don't hesitate to ask! Please be sure to check out my closet as I have many vintage, Native American, Mexican, Southwest & other unique treasures & statement pieces!