The Comet 220 was a broom model produced by the Comet Trading Company. It is one of the secondhand brooms being advertised for sale by Splinter and Kreek’s on the Sports Page of the Daily Prophet (DP4).
A secondhand broom model is likely to no longer be at the cutting edge for racing or Quidditch use.
Lexicon list of Broom Manufacturers
Although the date printed on the fourth Daily Prophet Newsletter (DP4) is 1 October 1999, the timeframe for this event is 1992-1993.
From the Web
Writing by J K Rowling on Pottermore: The Daily Prophet
Harry Potter Wiki: