How fast can YOU find the dog's hidden master?

How fast can YOU find the dog's master? Face of animal's owner is hidden in this tricky puzzle Hidden in the vintage illustration of a dog is the head of his master - but can you spot him? The image dates back to the turn of the century and was the face of a trade card used as an early advertising gimmick. Users have taken to social media to comment on how tricky the new illusion is. via IFTTT

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