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Posted By: davidcycleback

If it has a coarse feel, that's what I was talking about. The modern plasticy paper is literally coated in resin (it's called "resin-coated paper") and looks and feels as if it was laminated or smoothly coated with bees wax. If yours feels coarse on back, it's definitely not the resin coated paper.

Whether old or new, the fronts of these photos are often glossy/smooth (this is where the photochemicals are held and where the image is chemically developed, so there are added substances which can make the fronts glossy). The 'paperr V plasticy' comparison is done on the back of a photo, not the front.