Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40494-020-00402-2/MediaObjects/40494_2020_402_Fig2_HTML.png)
Selection of pottery sherds from Alagankulam. a A15, rouletted ware (black), b A16, sigillata ware, c A17, grey ware, d A18, black ware, e A19, rouletted ware (red), f A20, red polished ware, g A21, black and red ware, and h A22, northern black polished ware