1948 D wheat penny question?

Question is after 71 years of circulation how can one see if RPM is evident in this example I came across? Markers are really difficult to see for confirmation if a doubled die is suspected also. My interest is not in value of any coin that has seen circulation wear or damage just curiosity...lol
Expertise and input again is greatly appreciated

 

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Sometimes they're so worn that it makes them impossible to identify. Yours looks like it has a possible shot for an RPM,closer/clearer shots would help determine that.

 

I'm sorry about that Foundin, don't know why I didn't add the close ups. Hope these help.

 

I dont see an rpm for that year that compares to yours. Yours also appears to have taken a hit on the mint mark at some point. No go for me imho,onto the next one

 

Thanks Foundin for me and my eyesight I might have to get a pair of Mr. Magoo glasses soon...lol