Im a newbie and there is no way that I learn the difference betwen Machine Doubling
Oh yes way, you can learn
Everyone starts like you! it takes time and research and experience to learn and once you think you have leaned it all ,you'd realize that you still have a way to go! numismatic is an ongoing learning process but it can be a lot of fun if you have patience and willing to put in your own effort to advance in the field.
There are several topics and tutorials readily available on this Forum, use the search box on the top left to access. Good luck and keep asking questions
Here are a couple of useful links :http://goccf.com/t/320844http://goccf.com/t/245603http://goccf.com/t/278398http://goccf.com/t/332421