"What Counts as Provenance Evidence?"

There is a detailed analysis of a variety of marks found in a single book here:
https://msuprovenance.wordpress.com/2013/10/08/problems-in-provenance-research/
under the title "What Counts as Provenance Evidence?", on the blog of the Special Collections Department of Michigan State University. It's worth a read. The following is an extract:

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Some markings are relatively straightforward and easy to understand, while others are more mysterious. How many different marks do you see?  Let’s be literal at this stage and refrain from judgment about which particular inscriptions are important for determining provenance.  I count at least 15 different potential provenance markers on these two pages alone.  I’ll highlight those below:

Click to enlarge

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