1969 penny

Okay so, I'm new to this site and I'm kinda familiar with coins and I've done tons of research and you can see the doubling on it but I'm not to sure if it's a double strike or some other type of doubling error I tried to take the best pictures I could hopefully y'all can make them out, I...

i just found this penny not sure what to think of it. I thought it was painted but scratched it with a steel knife and the color remained. I placed it next to a standard penny to show the color difference it doesn't appear to be tarnished either can anyone tell me what I have here ?