It is no wonder that collecting coins is so confusing for people starting out. One moment a coin with a broken F is given special status and someone decides it is a variety called an ONF. But then so many others seem to get no reference to them at all. It sometimes seems as fickle as the art market , unless someone says so most errors are unworthy even of note. The next minute they are as "rare" as hen's teeth....I am afraid I will never understand