SURESH MARATHE,
1863 is a Proof coin only, extremely difficult to get.... but you said have one coin with you , If it is a proof coin it's Value in Lakhs of rupees , so please post that coin image both sides ....
refer Book ...refer tp Pridmore vol 2 , Pg 116
in 1862 , 47 types minted , after 1874 one rupee minted...