Is this a sharks tooth??

Question

me and my friend found a tooth at the beach and it looks really old!!! we think its a shark tooth...but we're not sure. if you think you can help please let me send you pictures. thanks

Answer 1

Upload image here http://www.zshare.net/ and give us the link.

Answer 2

It would have been helpful if you had told us where you found it (as in which country)