1. Roosevelt Dime, can't stand that coin. Needs to be changed. 2. Liberty Head Nickel 3. Susan B. Dollar
Well, if we all liked the same designs I suppose the values of different coin series would be unbalanced toward the ones everyone loved. So, I'll take all those gorgeous V nickels so many of you despise, and you can have those cluttered, faded date Buffalos.
Come on you guys. This is not posted in the U.S. section, have a look outside your borders (yes, there is a whole world outside your borders, believe it or not) and you will find some uglier coins than most of the ones you have listed. This one is my number one world ugly coin...
But that is so ... last millennium. In 2001 they issued new designs, with more "classical" portraits. Besides, I don't have any problems with the idea that the three worst designs are US coins, hehe. Christian
Another strange Nordic portrait - less abstract but still a little strange. No longer used either. Image from danskmoent.dk: