Otto ProckschSimilarNaums Aronsons - A black and white photo of a man with a beardManuel Elías P - A black and white photo of a man in a suit and tieTheo Gautier - Black and White Portrait PhotographArmando Alba Zambrana - A black and white photo of a man in a suit and tieJ Cabanis 1874 - A black and white photo of a man with a beardETH-BIB-Heim, Albert (1849-1937)-Hs 0494b-0116-076-ALMoreRelatedOtto Perutz, Art Nouveau posterOtto von Plessen, Portrait, DenmarkOtto Cengratz - Public domain photograph, glass negativeOtto Praeger - Public domain portrait photographOtto Vaupell, Portrait, DenmarkOtto Praeger, George Grantham Bain CollectionMoreOtto Prockschfile_downloadDownloadcrop_originalOrder Printrate_reviewdescriptionSummaryDeutsch: Otto Prockschlabel_outlineTagsotto prockschbearded mandate_rangeDate2016createSourceWikimedia CommonslinkLinkhttp://commons.wikimedia.org/copyrightCopyright infopublic domain