Even the conclusion that a penny is good luck or bad luck. It is you who emotionally decides if something is good or bad. Your acceptance of false belief systems, taught to you as a child from other people defines even today how you live. A penny is neither good luck or bad luck. But, A penny found means you now have more than what you had before and that simple fact may be just enough good luck, you need to jump start your positive life changes for the better. Heads is good luck and tails is bad luck is the false belief which takes away your freedom to choose if any such thing is good luck or bad luck to you.
Choose to assign a positive emotion and conclusion to as many things as you can. Even when confronted with terrible terrible deeds. Find something positive to inspire others with.
When you find any penny anywhere. Even if it is dirty and showing tails. Pick it up. clean it up. Pray, bless and mediate goodness into the penny. Then leave the shiny penny up on heads for another to discover.