It's not a piece of history that makes your heart skip a beat ... but it is a very interesting piece of our collective culture.
It's an electrocardiogram of Apollo 11 commander Neil Armstrong's heartbeat.
What makes this truly a piece of American history is due to the fact it was taken when Armstrong first set foot on the moon.
Incredibly, it registered a normal heartbeat .... not the overexcited heart you might have thought.
The ekg is going up for auction, along with other space artifacts including a joystick controller used by his fellow Apollo 11 astronauts Buzz Aldrin and Michael Collins.
The online auction takes place from May 16th to 23rd.
For more information or to view items up for bid, click here.
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