Heading to the darkroom tonight so will report back.
Here's an excerpt from a very helpful email from Ilford received today:
"The paper you have dates back to Feb 2004! So definitely old now. It was our variable contrast MG resin coated paper - but the formulation version pre our current sold MGRC Deluxe paper. ie MGRC 1V.
That specific batch was a trial specifically manufactured for a photographic show (Focus in Birmingham). The surface of your paper is satin (25M). "
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