Koko signs “devil” as she converses with Penny.
Koko Signs “Devil”
Created On:
Posted On:
Photographer: Ron Cohn
![](https://www.koko.org/wp-content/uploads/2010/03/011116_KokoSignsDevil.jpg)
Created On:
Posted On:
Photographer: Ron Cohn
Koko signs “devil” as she converses with Penny.
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