In October 2020, archaeologists led by Dr. Barak Monnickendam-Givon from the Israel Antiquities Authority announced the discovery of a 2,700-year-old two-shekalim limestone weight dating back to the First Temple period. According to the IAA, there were two parallel Egyptian symbols resembling a Greek gamma on the surface of 23-gram smooth round stone and confirming the development of trade and commerce in ancient Jerusalem.[6][7][8]