Front:
23306. MAMMOTH CAMP, MAIN BUILDING, YELLOWSTONE PARK.
******
HAYNES PHOTO.
Back:
PUBLISHED BY J. E. HAYNES, ST. PAUL, MINN. OFFICIAL PHOTOGRAPHER,
YELLOWSTONE NATIONAL PARK. COPYRIGHT BY J. E. HAYNES, ST. PAUL.
...
MESSAGE.
7.
Foreign, 2c
Domestic, 1c
[Stamp Here]
A-97097
