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Artist Paul Hanley drew the most memorable incarnations of the TARDIs from 1963 to 2011.
So you've searched this long and you still can't find the perfect sci-fi Valentine's Day card to impress that special someone? Don't panic. We've found even more awesome cards for you.
There's all kinds of Valentine's Day fun to be had!
Via Chris Bishop, WispyChipmunk, and lastone2sherlockisasissy.
(Doctor Who, Star Wars)