每年分別選五州進行更新圖樣 更多資訊,請參考:http://www.usmint.gov/mint_programs/index.cfm?flash=yes&action=50_state_quarters_program http://www.usmint.gov/mint_programs/50sq_program/index.cfm?action=designs_50sq 這個網址有各樣式的發行時間與數量:http://www.usmint.gov/mint_programs/50sq_program/index.cfm?action=schedule