See also straight apostrophes and rotated apostrophes.
Contributed by Humberto Gillan
Contributed by Brian Phillips
Photo(s) by Bart Solenthaler on Flickr.
Contributed by Jan Middendorp
Photo(s) by altpapiersammler on Flickr.
Contributed by Florian Hardwig
Contributed by Garrison Martin
Contributed by Stephen Coles
Contributed by Joan Luzzatti
Contributed by Christopher Bergmann
Contributed by Patch Hofweber
Contributed by Felix Nic