I've made it for myself, as userpic on one website, since my family name starts with 'K' (: This is outlined version with background change from 'Les Bibliothèques Virtuelles Humanistes' — http://www.bvh.univ-tours.fr/index.htm. They're have nice collection of initials from old manuscripts.
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Capital Letter 'K' (Initial) free icon was designed by boobaloo for icons Png and presented to its users.
boobaloo
3/3/2018