These are the photos of the coins that I found BACK USA Jefferson Nickel 1943p (look like a copper coin) BACK USA Jefferson Nickel 1943p (look like a copper coin)
From the very small images it appears that you have a perfectly average war nickel. Welcome to the forum.
It's just toning. The war nickels are 35% silver 9% manganese and 56% copper. This causes a variety of colors after 75 years exposed to the elements.