This is genuine time travel: You are looking at a sky in a southern clime taken on the early afternoon of 12 July, 1865. A handwritten paper glued to the reverse provides the exact date. When this fraction of a day was preserved, the Civil War was over but for a few months; this part of the sky was again above the United States, not the Confederacy.
There was a house amongst the trees—its triangular roof and chimney visible mid-left. The sky was bright blue and the clouds were gentle fluffs that, nonetheless, hinted rain. By them the great hot orb of the sun was obscured enough to safely see and photograph. The revolutionary iodized collodion process used by the photographer allowed images to be taken in as little as a few seconds, depending on the light, and this picture probably would have required the briefest of exposures.