Seem like the 1982 copper struck dies were worn very heavily. Thus when you find an earlier die one they look so different. The width of the normal devices look wider than other years. A doubled die from that year also looks a lot wider and early die state ones show even more detail. Here is an example:

This one is a Philly copper cent compared to a normal copper cent from that year. The side by side images help so much in identifying them. Often this is the best way to tell what is normal and what is really a doubled die.