Trade by Barter is the exchange or swapping of commodities between two or more persons, Which was the old system of getting your choice of products. When currency came it swept trade by barter off the world due to the introduction of different currencies by different countries. But a certain community in Nigeria has refused to let this old system go. In the video you could see the entire community busy with it and other communities also coming in to exchanged their commodities as currency is not given much regard in the community. Here is the link to watch the video
https://www.youtube.com/watch?v=IYLdDSxaOGY