Silent bartering was mainly used during NUMBER@1 to NUMBER@2 A.D. Procedure To perform a silent barter , one group of traders would go to a specific location , leave their trading goods and then withdraw to a distance .

Silent bartering was mainly used during NUMBER@1 A.D to NUMBER@2 A.D. To do a silent barter , one group of traders would go to a certain location , leaving whatever they are offering to trade .
