Photograph of iron slave shackles from an unidentified slave ship. The exhibit labeled them "Slave Shackles" from an unknown date.
Held in the Chicago Historical Society and from the "We the People" exhibit. See also Anthony Tibbles (ed.), Transatlantic Slavery: Against Human Dignity (London: HMSO, 1994), p. 154, fig. 140.
Image is in the public domain. Metadata is available under Creative Commons Attribution-NonCommercial 4.0 International.
"Slave Shackles", Slavery Images: A Visual Record of the African Slave Trade and Slave Life in the Early African Diaspora, accessed April 2, 2020, http://www.slaveryimages.org/s/slaveryimages/item/2612