35 
Pros easy to handle, forgiving, if it sticks to itself you can undo it without destroying it

Cons 
unbalanced clarity. 
In one of my photos theres a comparison shot of the same brick images in two different places, youll notice on one of the new slices its alot more blurry, and its that way for the whole slice so even if you align the pattern perfectly youll still notice a line from the change of image quality from roll to roll.

The glue is not very sticky, parts of the paper will not hold. Majority will, but I feel this paper will not pass the test of time. I suppose we will see.