We answered this question on the first thread you created https://www.cointalk.com/threads/1982s-penny.293662/#post-2693416
YES! Know your errors I want to share these webpages with you - http://www.error-ref.com/ and http://jimscoins.com/error_coin_examples.php
Hard to say. In my 30+ years of collecting Mint Errors I have had luck with some and no luck with others. I have purchased most of them in the past 10 years. But every error coin collector has different opinions
