The Button..CW or not?

[3RINGER]

This is the button I found the other day. I had to let it soak due to the stuff that was on it was as hard as a rock. When I started to clean it up I found that it was pulling off the platina in chunks so I stopped. still very hard. The other CW buttons I've found were much smaller so now I'm doubting my first asumption of CW.
Can anyone ID this button from the photo? It's a little larger than a quarter. Any help would really great, thanks and good luck in the field.

 

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[PBK]

Postwar... post-1900, in fact. It's a U.S. Army "Great Seal" general service button, c. 1902-present. This is the pattern which replaced the eagle general service buttons that were in use during the Civil War and Indian Wars.

 

[3RINGER]

PBX

man that was fast! your on top of your buttons for sure. thanks for the help! oohhh well back to the fields i guess, just means more diggin

 

[PBK]

Any time, 3ringer! Always glad to lend a hand when I can.

 

[John (Ma)]

Excellent find, nice job!

 

[davidtn]

Atta boy...Keep 'em comin'.