First off, I'm a complete novice when it comes to fossils so please ignore my ignorance!
I recently found my first fossil and I'm still waiting for the bits to arrive so I can have a go at prepping it. On hearing this and my excitement about it my Mother In Law handed me a rock and said I found this about 30 years ago on a trip to Brighton in England I want you to have it.
I think it might be an Ammonite (complete guess based on pictures I've seen of Ammonites), also when I first looked at it I thought it was merely the impression left by the fossil, but on looking at