VERY RARE OLD COIN in Ambala, Haryana for sale

It Is A North Indian Coin from region ofpunjab and depicts the Sikh faith. A rare coin purportedly minted 260 years ago in 1748 by one of the Sikh missals. (Minted 1804 is Hindu calendar call Vikram Smavat started 56 years ahead of Georgian Calendar) The coin made of an alloy resembling bronze, bears picture of the first Guru (Shri Guru Nanak Dev Ji) on observe (Date Side) exergues reads Sant Kartar and the tenth Guru (Shri Guru Govind Singh Ji) on the reverse side. While Guru Nanak Dev is flanked by Bhai Mardana and Bhai Bala, holding rabab(Violin like instrument) and chaur(Hand-held Fan) in their hands, a bai is seen sitting near Guru Gobind Singh. Also shown in the picture are the khrawon (slipper made of wood) and a lota (small water pot).