Marta Sieciarz ( - ) is a painter. Marta Sieciarz s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1656.85 USD for Znaki 8, 2006 - (Kościół 250 m róg Francuskiej i Obrońców) in 2008 to 1742.88 USD for Interferencje in 2012 , based on the size and medium of the artwork.