This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
library of congress libraryofcongress dcidentifier dcidentifierhdllocgovlocpnpppmsca xmlnsdc xmlnsdcpurlorgdcelements people picture frame photo border indoor Unidentified soldier in Union frock coat and forage cap with bayoneted musket and cap box in front of painted backdrop showing curtain between and photograph sixthplate