Don't think it's the Mississippi (or Lemnos). The Mississippi had gun blisters on either side of the bow just forward and below the #1 Turret and a single hause pipe at the main deck level on the bow (above the main anchor). Idaho has the two openings on the bow and doesn't have the gun blister. While it certainly could have the forward hull guns removed at some time, the physical removal of the blisters and addition of the second opening is unlikely. Looks like Idaho, or if after 1914 the Kilkis. Would be nice to be able to make out the flag to know for sure. It doesn't appear to have stripes as both the US and Greek flags have.