Marked 10k, tested with Kee Gold Tester which is a. This meter is a nondestructive way to test gold or platinum items to verify content of gold alloys within the popular industry ranges from 10 to 24 karat and platinum. I try to go by that… Thank you so much ;. Kindly reach out with any questions ;. From Smoke Free and Pet Free Home. Not a day goes by without trying to repurpose, recycle, reuse, restore, or rescue items from ending up not being used again somehow. This is our carbon footprint, our planet, our future. You are making a difference. Thank you for being a good human. Thank you from my heart to yours.