"42 Across - The colour of the Quaffle (3); 49 Down - Your worst nightmare as a Bertie Bott bean flavour (3)"
-- two crossword clues (DP4)
A feature appearing in the Daily Prophet (DP4)
The "Fiendishly Difficult Crossword", with its clues and answers, appeared on pages 3 and 4 of the Daily Prophet (DP4)
While the date printed on DP4 is 1 October 1999, the timeframe for these events is 1992-1993.