These are parts used in the work of DawnLucas, a Hopi artist. Two of them have markings. I don't know much about the details, so please refer to the images when purchasing. The mechanical pencil and AA battery were photographed for size comparison. They are not included in the product. A unique pendant set of turquoise and silver, featuring charming designs of hearts, flowers, and animals. - Materials: Turquoise and silver - Designs: Hearts, flowers, crosses, animal silhouettes - Colors: Blue, silver - Quantity: Set of 7 Thank you for viewing.