I LOVE the reclaimed lumber!! That is so my style. We just put up a coop also, though ours has to be off the ground due to our wet nature up here. I forgot to take pics while we were building it, but we used all materials that we had on hand and it cost us $0 to build, just have to get some roofing. We had roofing felt on hand, but need to get shingles for it still. It just has plywood sides, so it is not quite as cool looking as yours.I am going to use some 1x2 strips to give it some dimension, kind of like you see on old barns sometimes. I am going to build a run, but for now I will use our dog's old kennel that she doesn't use anymore. That way I can build the run a little at a time.
Your coop looks great. Good job!!