A little difficult to determine from the photos posted. Appears to be machine doubling--perhaps Die Deterioration Doubling. Not uncommon for the '70 S cent. Not seeing a DDO. I wouldn't suggest submitting the piece for certification.
You are looking on the wrong areas to see a doubled die. Look at the centers of the devices. Not on the outside edge of the devices. On that area you will find die wear and Machine Doubling happening. Look at the centers of the devices, not the outside edges of the devices:
Look at the centers of the devices. They will be wider/taller than normal sized devices. Looking at the outside edges of devices will lead you off of the path. Machine Doubling and die wear is where you will end up if you look in the non doubled die zone.
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