Christie's to auction the only photo of Neil Armstrong's moonwalk

Space memorabilia fans with deep pockets should be ready to pony up for a one-of-a-kind item going up for auction at Christie’s. The one-of-a-kind space relic is the only photo ever taken of Neil Armstrong’s moonwalk (not pictured). Fellow astronaut Buzz Aldrin took the photo while both were on the surface of the moon. The photo is said to be …