While off-topic from what you are looking for, another poster that people seem to love is the
"Save the Whales" one I have in my hallway. It's well-recieved but will likely be even harder to find.
BB.
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Some say "My car is a Porsche!" I say "My Porsche is a car!" and I drive the hell out of it.
'87 Porsche 944; '10 BMW 328i xDrive (her's); '98 BMW 323is (ours)