Johann Franz Michael Rottmayr (attributed To) ( 1654 - 1730 ) was an Austrian painter. Johann Franz Michael Rottmayr (attributed To) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1164.73 USD for Pyramus and Thisbe in 2005 to 8210.85 USD for Vulcan in his workshop in 2006 , based on the size and medium of the artwork.