Are there any rare 2004 quarters?

Could you please elaborate on the rarity of 2004 quarters? Are there any specific designations or mint marks that make certain 2004 quarters more valuable than others? Are there any known error coins or special issues that fall under the 2004 quarter category? Additionally, are there any collectible sets or series that include 2004 quarters, and if so, what makes them noteworthy? Lastly, how can one identify if they possess a rare 2004 quarter, and what factors contribute to its value?