This is an image of the large rock outcrop called Charlies Bunion. The rock is just below the summit of a mountain along the Appalachian Trail.
The description states:
Great Smoky Mountains National Park
This spectacular point on the Appalachian Trail is located about 6 miles from Newfound Gap and has become a very popular hike. This area is located in the most rugged scenery in the Smokies.
–This particular mountain top is on the border between Tennessee and North Carolina.
This card was used and is dated 15 September 1971.