1909-1917?
COLLAR ORNAMENT, SEQUOIA

Standard U.S. Army Officer's collar insignia used by rangers at Sequoia National Park

Description: Bronzed, 5/8" letters

1916-1920
COLLAR ORNAMENT, YOSEMITE

Made for Washington B. Lewis by Meyers Military Shop, Washington, D.C. Worn by some rangers at Yosemite National Park.

Description: Bronzed, 1/2" letters

1917-1920
NATIONAL PARK SERVICE COLLAR INSIGNIA

Worn by all uniformed NPS personnel. Stitched directly on collar or on a patch applied to collar

Description: Stitched with bronze colored thread

1920-PRESENT
NAITONAL PARK SERVICE UNIFORM COLLAR ORNAMENTS

Heavy gold plate

1920-present	All uniformed officers
1928-1961	All uniformed personnel
1971-present	All uniformed personnel

German silver

1920-1928	All park rangers
1961-1970	All uniformed personnel except superintendents

Bronze, anodized

1920-1928

All temporary rangers