 During their period of production many types of Ban Liang coins were cast, ranging largely in weight and size, some had extra holes, while other were written in different fonts such as the Han dynasty coins cast under Empress Lü written in Regular script, or a rare Ban Liang made from silver in the Qin dynasty, an iron variant, and a lead variant in the Han dynasty.A variant with a reverse inscription known as “Liang Ban” (兩半) coins were also cast, cash coins with reverse inscriptions are known as "chuan xing" (傳形).During the Warring states period Ban Liang coins from the State of Qin generally had 8 gram Ban Liang coins from between 32 and 34 millimeters in diameter, while during the Qin dynasty all Ban Liang coins generally had a weight of 6 grams and were about 31.7 millimeters in diameters.