Pewter known as "trifling metal" or "trifle", was used for holloware and is made up of fine metal with approximately 4% lead. The last type of pewter, known as "lay" or "ley" metal, was used for items that were not in contact with food or drink. It consisted of tin with 15% lead. These three alloys were used with little variation until the 20th century. Older pewters with higher lead content are heavier, tarnish faster, and oxidation gives them a darker silver-gray color. Pewters containing lead are no longer used in items that will come in contact with the human body
Hüseyindede vases excavations from 1998 in collaboration with the Çorum Archaeological Museum, fragments of earthenware pottery and parts of four distinct Hittite relief vases were brought to light. Two of them were found in an ancient storeroom; the other two amongst the surrounding debris. They were restored in the museum. Vase B, the smaller one, which includes an image frieze, was published by Sipahi in 2001, while the restoration of Vase A, which has four image friezes, was still ongoing. Vase A was finally published in 2002 by Yıldırım, at the Hittitology congress in Ankara. Hittite relief vases have been known since