Ramon Munoz Rubio ( 1800 - 1900 ) was a Spanish painter. Ramon Munoz Rubio s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 250 USD for Arm in Arm in 2009 to 2500 USD for Study for Aerovias Guest Mural in 2011 , based on the size and medium of the artwork.