Double ears, double window panes, double eyelids, extra leaves, extra trees.... Is there no end to this madness? Get out your 50x loupes, you might be missing something.
You forgot the doubled water pump handle. Also, I already called doubling on a future park quarter in another thread. I want to be the one who discovers the discovery coin before its discovered.
Yep, the mint sure has lousy quality control these days - but, it makes these series more interesting to collect. Some of these errors will be more rare than others and some will be more minor/major than others.