A Letraset design by Michael Neugebauer (not his father Friedrich, as ITC incorrectly attributes it).
Berthold had it as Circulus (1972). Digitized by URW as Circle. See also KTF Cirk (2023).
Contributed by Benjamin Brandt
Contributed by Garrison Martin
Contributed by Rob Hudson
Photo(s) by Henk Gianotten on Flickr.
Photo(s) by Buro Destruct on Flickr.