Reginald Mills ( 1921 - 1938 ) was a British painter. Reginald Mills s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 97.77 USD for A Mounted Officer of the Metropolitan Police on duty in The Mall in 2004 to 1000 USD for BATTLE OF BRITAIN in 2013 , based on the size and medium of the artwork.