The jade pendant in the picture dates from the Warring States Period (475-221 B.C.). It is less than ten centimeters long, and was once worn by a nobleman as a sign of rank.
那志良同時指出，大體說來，商周時代較大的玉龍稱「瓏」，是祭器，較小的龍紋佩（如圖，長度不到十公分）則多是君子佩戴的飾物。