Having them numbered helps, and the weights and diameters make it possible to search the Zeno database, making identification much easier.
Number 5 is a one-quarter larin (later revised to one larin, according to Krause catalog) of Ibrahim Nur al-Din Iskander, AH1300, mint Mahli, KM#37
https://www.zeno.ru/showphoto.php?photo=242888
Number 2 is the same coin, with different dies and in better condition, also AH1300.