प्राचीन भारत में छठी शताब्दी ईसा पूर्व से प्रचलित आहत सिक्के (Punch-marked coins) मुख्य रूप से चांदी और किस अन्य धातु से बने थे?

In ancient Indian historical texts, the term 'Satthavahakula' refers to the:

Which statements accurately describe the Guild System (sreni) in the urban economy of the ancient period? 1. It was a remarkable feature of the organisation of the urban economy. 2. Guilds were composed only of artisans, such as smiths and potters, and did not include merchants. 3. The guilds played an important role in organising production and shaping public opinion. 4. The main function of the guilds was to provide security from competition and ensure the quality of the finished product.