Identifying this uniform - Believed to be pre WW1 Russian.

[HPL2008]

That clears a lot up. Could they be PRE-WW1 uniforms? My grandfather fled to the States before WW1 and enlisted in the US Army. Here is his US Army photo. On the one on the right, you can very clearly see US on his collar.

No; it can't be a pre-WW1 photograph because of the Iron Cross worn by the soldier on the right. (First instituted in 1813 and re-instituted in 1870, 1914 and 1939, it was exclusively awarded in wartime.)

[Seattle]

Wow. What amazing information.

It blows my mind that he would volunteer for the German army, leave, volunteer for the US army, and go back to Europe to fight Germans.

I know that Poles weren't given great choices by the partitioning powers. I wonder what his reasons were.

What I do know is that he had no love for Russians or Germans as my father, aunts, and uncles recall.

Thank you!

AJ