FIRST DAY OF ISSUE
DEVILS TOWER, WYOMING
Devil's Tower
NATIONAL MONUMENT
AN 865 FOOT TOWER OF ROCK, EVIDENCE OF VOLCANIC
ACTIVITY THAT OCCURRED MILLIONS OF YEARS AGO.
1906-1956
Art Craft
ЛЕ
TOWER
SEP 24
9-AM
1956
WYO
FIRST DAY
50 ANNIVERSARY
NATIONAL MONUMENT