See also duotone / halftone on color and dithered.
Contributed by Andreas Seidel
Contributed by Forgotten Shapes
Contributed by Florian Hardwig
Contributed by Matthijs Sluiter
Contributed by Nick Sherman
Contributed by Andrew Wolfenden
Contributed by gustavo eandi
Photo(s) by Klaus Hiltscher on Flickr.
Contributed by Garrison Martin
Photo(s) by Bart Solenthaler on Flickr.
Contributed by Connor Mikita
Contributed by Eric Gordon
Contributed by CAST
Contributed by Lauren N. Bailey
Contributed by Pierre Pané-Farré
Photo(s) by Make It Old on Flickr.
Contributed by Nick Rissmeyer
Contributed by Ruben Doornweerd
Contributed by Urban Zotel
Contributed by Scott Mellor
Contributed by Lucas Descroix
Contributed by Walter Hansen
Contributed by mikel antonio
Contributed by Gareth Hague
Contributed by Lluís Serra
Contributed by Andrea Reza
Contributed by Stephen Coles
Contributed by Kourosh Beigpour
Contributed by TPTQ Arabic
Contributed by Benoît Bodhuin
Contributed by James Edmondson (OH no Type Co.)
Contributed by Tylor Reimer
Contributed by Daan Janssens
Contributed by Daniel Swan
Contributed by Chris Purcell
Contributed by Zane Vredenburg