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Knocking at the Door - Happy 21st Birthday Card

Knocking at the Door - Happy 21st Birthday Card

This unique card is the perfect choice for any special friend or family member who's "knocking at the door" of their big 21st birthday! A gold-plated "21," resembling those you'd find on a front entrance, hangs from a blue background, prominently displayed to let them know you're thinking of them and wishing them well as they welcome this important milestone age.

Card Phrase:

Somebody's knocking at the door of a very big birthday... Happy Birthday

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