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The Siege of Vicksburg (May 18 – July 4, 1863) was the final major military action in the Vicksburg Campaign of the American Civil War. In a series of maneuvers, Union Maj. Gen. Ulysses S. Grant and his Army of the Tennessee crossed the Mississippi River and drove the Confederate Army of Vicksburg led by Lt. Gen. John C. Pemberton into the defensive lines surrounding the fortress city of Vicksburg, Mississippi.
You have a litho depicting such final battle.
Regarding the value of your item, I have just perform a market research of similar sold items as yours. I performed the research based upon the most recent finished auctions and private sells, so the value given is the real market value of your item. This is the only way to know the exact value of your unit.
The value will be in the range of 300-500$.
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