I've just come across the mottling on a roll of Pan F Plus used for a developer test. Batch code: 67BPN1C01/02 July 2021. I have a few other rolls from this batch and an additional test to do, so will probably report to Harman.
Edit: The 2nd roll of test film (Pan F Plus) also shows the mottling.
Edit: The 2nd roll of test film (Pan F Plus) also shows the mottling.
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