Manuel Rivera ( 1927 - 1995 ) was a Spanish painter. Manuel Rivera s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 10665.83 USD for Azul in 2003 to 70438.43 USD for Espejo para un son de campanas III (Mirror for a Bell's Toll III) in 2013 , based on the size and medium of the artwork.