1971 on left between 7-1 and I-b are they cud marks 1971 on right missing stem on 7 1981 P mm is indented and somewhat disfigured 1989 the P's are in different areas ... Does any of this matter
Thank you I didn't think so , but my son wanted a professional answer. He's 8 and asking every relative for their change ... He carries that loop haha
I think it's great that your son is developing skills of observation and detecting differences among these coins. So it's a good exercise and also fun. Any collection has its own focus and the more knowledge you have about it, the more enjoyable it will be and also have more value to you. Kennedy halves offer a lot to young numismatists. There's much variety in the series at a relatively low cost.