Happy Friday everyone! Just want your opinion on these two coins. First is 1954-S: the numbers 1,9 and 4 appears to me, as having some sort of doubling. And is it a die crack of some sort on the number 5. Next is a 1954-D: doubling on the letter R,U,S from the word trust. Third is from the 1959-D: the doubling I think is mechanical in nature. I know that most of you are tiring from the same DD questions, but believe you me, I am really trying my darndest best to learn through reading, looking at pics and watch videos. I hope that you can afford me some patience. Thanks