Image #2: Ambrotype
The covers are separated and the leather looks to be slightly different colors
The girl is wearing a white dress and it looks like she has a lacy white veil or other other accessory attached to her hair
Booth photos by this studio are hard to find
boy posing with his pit bull
ID'd POW 1ST LT. J.B. KIRK - 19th Ohio / 101st PA Infantry Civil War Soldier CDV religion Image #2: AmbrotypeOriginal CDV of First Lieutenant James Birney Kirk (1838 1906) of Co. H, 19th Ohio Infantry Regiment and 101st Pennsylvania Infantry Regiment in uniform with sword, photographed by L. B. Silver, Salem, Ohio. In period writing on the back of this CDV is: "Birney, a prisoner at Macon, Ga., "Hoping for a speedy exchange". Hillsville, July 31st, 1864". Kirk was captured April 20, 1864 at Plymouth, North Carolina and was a POW at Camp Oglethorpe in Georgia