Those are circa 1992 decals, so maybe it's a repaint. You say the serial number dates it to September, '84. Could you post the serial number?
The details in the photos (lugs, pump peg, BB shell cable guides) lead me to believe it's the genuine article (mid-eighties Waterford Paramount) repainted with early nineties decals.
Here's what the 1992 decals looked like on a 1992 Waterford Paramount (650C) with the True Temper OS tube set:
