✅ SOLVED Badge? ID please?

[Kapidr]

These are from a recent hunt on the East coast. I've used electrolysis to clean up the shield badge/pin a bit... Still cleaning it now. Can anyone help ID it?

Thanks

 

[nhbenz]

Army, Clerk of the Adjutant General's Dept.
U.S. Army Brassards & Armbands 1898 to 1918 Part 2 - Page 2 - WWI US MILITARIA - U.S. Militaria Forum
scroll down a bit
added: this link is more informative; https://books.google.com/books?id=t...k of adjutant general's dept insignia&f=false

 

[vhs07]

Army, Clerk of the Adjutant General's Dept.
U.S. Army Brassards & Armbands 1898 to 1918 Part 2 - Page 2 - WWI US MILITARIA - U.S. Militaria Forum
scroll down a bit
added: this link is more informative; https://books.google.com/books?id=t...k of adjutant general's dept insignia&f=false

Wow, great I.D.

 

[Kapidr]

Army, Clerk of the Adjutant General's Dept.
U.S. Army Brassards & Armbands 1898 to 1918 Part 2 - Page 2 - WWI US MILITARIA - U.S. Militaria Forum
scroll down a bit
added: this link is more informative; https://books.google.com/books?id=t...k of adjutant general's dept insignia&f=false

THANK YOU!!! WOW!!!!