People all over the world were throwing coins into water (rivers, lakes, seas etc) since the first coins were minted.
[FONT="]This is an echo of an ancient cultic practice of offering valuable objects to a water deity. People all over the world believe that sacred rivers and lakes are female deity. Hindus regard [/FONT][FONT="]Mother[/FONT][FONT="] [/FONT][FONT="]Ganges[/FONT][FONT="] [/FONT][FONT="]River[/FONT][FONT="] as Goddess Ganga, a personification of the great goddess, whom they call Sri, Kali or Lakshmi. We must note that regarding the river as a female deity is not only an Indian practice. Two rivers in [/FONT][FONT="]Britain[/FONT][FONT="] are named [/FONT][FONT="]Dee[/FONT][FONT="], from the Latin Dea [goddess].[/FONT]