Koko signs ‘tiger’ as she looks at a book about cats with Penny.
Penny with Koko Signing Tiger
Created On:
Posted On:
Photographer: Ron Cohn
Source: Penny Patterson
![](https://www.koko.org/wp-content/uploads/2010/03/PennyKokoSigningTiger.jpg)
Created On:
Posted On:
Photographer: Ron Cohn
Source: Penny Patterson
Koko signs ‘tiger’ as she looks at a book about cats with Penny.
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