Possible Clues:

• In song, she used to rule the waves
• Train in a bank, initially, to become our sitting representative
• Figure on some fifty pence coins
• Italian woman, one in support of female warrior
• Figure on standard 50 pence coin
• The UK representative
• In Iran, bat supplies the national emblem
• 'Rule - - '
• Woman bidden to take charge of the rollers
• Great Britain personified