© 2011 - 2019 Jonny Baller Designs. All rights reserved.
Disregard this link.
This plaque—with its quirky and somewhat obscure "disregard this plaque" etching—can be found affixed to one of the booths inside Fog City Diner in San Francisco.
The original image was captured in San Francisco, California in March 2011 using an Apple iPhone 4 (rear camera).