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Any idea what these marks are?
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7 posts in this topic

Hi all, just got my first-ever slabbed book in the mail today, and I noticed several small specks visible on the front of the slab.  These are not on the surface (but not on the book either), so perhaps on some interior layer of the slab.  I've tried to capture them in the photos below.  Has anyone seen these before?  Know what they are?  Thanks for looking!

IMG_2818.thumb.jpg.a3e87f3af9880c6e3ac69dec4b14aa36.jpg

IMG_2817.thumb.jpg.9dabf1df638435135b8f3991f4fe0403.jpg

 

 

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On 3/11/2022 at 7:49 AM, theCapraAegagrus said:

It's scuffing on the inside of the slab. It's possible that this is an attempt to avoid Newton Rings.

Thanks.  Are you saying it's maybe deliberate?

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