It reminds Air Force Master Sergeant Jon Feiss(ph) of Christmas and Santa's grotto.

NPR: Photos With Petraeus A Big Draw In Baghdad

The Smith collection started when Mr. Ziegler, a 60-year-old retired Air Force master sergeant, read about a collector of thousands of business cards.

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Air Force Master Sergeant Heather Adkins.

WHITEHOUSE: The President delivers Remarks at Independence Day Celebration | The White House

Master Sergeant JON FEISS (Air Force): It's like being in Macy's again, you know, and you're nine years old.

NPR: Photos With Petraeus A Big Draw In Baghdad