Ten medieval keys shown with exact artefact photographs from Wikimedia Commons and the Portable Antiquities Scheme. Photograph credits: 1. File:Medieval key (locking) (front and back) (FindID 129547).jpg; Birmingham Museums Trust, Caroline Johnson, 2006-04-05 10:47:44; CC BY-SA 2.0; https://creativecommons.org/licenses/by-sa/2.0; https://commons.wikimedia.org/wiki/File:Medieval_key_%28locking%29_%28front_and_back%29_%28FindID_129547%29.jpg; 2. File:Medieval key (locking) (FindID 626907).jpg; West Yorkshire Archaeology Advisory Service, Amy Downes, 2014-07-09 10:28:12; CC BY-SA 2.0; https://creativecommons.org/licenses/by-sa/2.0; https://commons.wikimedia.org/wiki/File:Medieval_key_%28locking%29_%28FindID_626907%29.jpg; 3. File:NCL-C6E214, Medieval locking key (FindID 562927).jpg; The Portable Antiquities Scheme, Robert Collins, 2013-06-03 11:22:28; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:NCL-C6E214%2C_Medieval_locking_key_%28FindID_562927%29.jpg; 4. File:Medieval, Key (locking) detail (FindID 202579-163528).jpg; Birmingham Museums Trust, Peter Reavill, 2008-02-14 12:02:43; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Medieval%2C_Key_%28locking%29_detail_%28FindID_202579-163528%29.jpg; 5. File:Key (locking) of Medieval date (FindID 412358).jpg; Birmingham Museum and Art Gallery, Richard Henry, 2012-11-07 09:27:32; CC BY-SA 2.0; https://creativecommons.org/licenses/by-sa/2.0; https://commons.wikimedia.org/wiki/File:Key_%28locking%29_of_Medieval_date_%28FindID_412358%29.jpg; 6. File:Medieval key (FindID 880831).jpg; National Museums Liverpool , Vanessa Oakden, 2017-12-21 16:39:34; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Medieval_key_%28FindID_880831%29.jpg; 7. File:Medieval padlock key (FindID 126752).jpg; Norfolk County Council, Ellen Bales, 2006-03-16 10:21:04; CC BY-SA 2.0; https://creativecommons.org/licenses/by-sa/2.0; https://commons.wikimedia.org/wiki/File:Medieval_padlock_key_%28FindID_126752%29.jpg; 8. File:Medieval, Complete rotary key (locking) (FindID 880305).jpg; Birmingham Museums Trust, Teresa Gilmore, 2018-01-30 12:05:48; CC BY 2.0; https://creativecommons.org/licenses/by/2.0; https://commons.wikimedia.org/wiki/File:Medieval%2C_Complete_rotary_key_%28locking%29_%28FindID_880305%29.jpg; 9. File:Medieval padlock key, obverse (FindID 93016).jpg; The Portable Antiquities Scheme, Tom Brindle, 2005-04-12 12:29:27; CC BY-SA 2.0; https://creativecommons.org/licenses/by-sa/2.0; https://commons.wikimedia.org/wiki/File:Medieval_padlock_key%2C_obverse_%28FindID_93016%29.jpg; 10. File:Early-medieval to medieval padlock key (FindID 144490).jpg; OpenAI ImageGen, Codex executor; generated photorealistic replacement; ; ;