Image: Pin art, Flickr

Description: An impression left in a pin art board by the lower half of a face.
Title: Pin art, Flickr
Credit: Eduardo Habkost's flickr account
Author: Eduardo Habkost (ehabkost)
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Usage Terms: Creative Commons Attribution-Share Alike 2.0
License: CC BY-SA 2.0
License Link: https://creativecommons.org/licenses/by-sa/2.0
Attribution Required?: Yes