Oscar Baumann ( 1864 - 1899 ) was an Austrian painter. Oscar Baumann s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 73.08 USD for Durch Deutsch Massai-Land und zur Quelle des Kagera-Nil in 2004 to 1136.83 USD for Durch Massailand zur Nilquelle. Reisen und Forschungen der Massai-Expedition des deutschen Antisklaverei-Komite in d