Portrait of Roman Emperor Tiberius (reigned 18 September 14 CE – 16 March 37 CE) in Ny Carlsberg Glyptotek, Copenhagen.
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Original image by Cnyborg. Uploaded by Jan van der Crabben, published on 19 July 2012 under the following license: Creative Commons: Attribution-ShareAlike. This license lets others remix, tweak, and build upon your work even for commercial reasons, as long as they credit you and license their new creations under the identical terms.