Wow that was a quick ID. Thanks. I wonder if its WWI or WWII? Its amazing how many US Army buttons were made overseas. This is the first of this kind I have seen in a Great Seal US Army button. Ill add it to my list.
BCH,
This excerpt: "Buttons Ltd. Birmingham. Crossed swords trademark. 1907. Formed from a merger of three smaller factories, and now a division of Francis Sumner Engineering Co." came from this site.
And this: "Buttons Ltd., Birmingham. In 1913 they had three works sites in Birmingham, Portland Street, Worstone Lane and Clissold Street making buttons, buckles and stampings. Some buttons were also made in London. . They also sold suitable dies and button making machinery. Trademarks included 'Three Domes' and crossed swords. Now a division of Francis Sumner Engineering Co." came from the same site, different page.