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Amazon.com: The Big Bang Theory Knock Knock Penny Black Adult T-Shirt Tee (Small) : Clothing, Shoes & Jewelry
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WornOnTV: Penny's blue cherry embroidered t-shirt on The Big Bang Theory | Kaley Cuoco | Clothes and Wardrobe from TV
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Penny Hofstadter and Judith Harper wearing the same T-shirt! The release dates of the episodes are 3 years apart. We have seen Penny wear this top multiple times on the series but
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