Pick the Cleaned Coin/s

[Fr45h3R]

I was actually hoping for my own education, that putting a few coins into the scanner that it would give some sort of guide on what to look for but there is nothing at all, even when the 2 coins were so different.

[markn]

IMHO scanners take perfectly fine images for examining close detail but they are useless for grading coins from.  I think there's two reasons for this.  First, most of them seem to have some sort of rubbish dithering that just hides scuffs and bag marks.  Second is that they are shocking at displaying lustre and hide the colour if a coin is lustrous.  The coins you've posted here I believe are a great example of the failings in both areas.  

Firstly, the lustre pattern on both scans looks perfectly normal for a toned coin, lighter areas (higher reflectivity) around the protected areas and devices.  This is exactly how a coin tones, the high points and unprotected areas tone first and the "residual lustre" is in the protected areas.  Which is exactly what your scans show.

Secondly, the 51PL clearly has cleaned abraded surfaces from your photos.  It also has some shocking bag marks on the roo that are clearly visible.  Look at the scan though, and the bag marks are barely visible.  Look at the fields and yes there might be some discolouration there, but it could just be fluff on the scanner too.  The scan has hidden the bag marks and the abraded surfaces.

Perhaps someone who has more experience that me at grading from scans  would say the 51PL was definitely cleaned from the scan but I couldn't say for certain.  Moral of the story is don't try to grade a coin from an image you do not understand and if in doubt don't buy the coin.