I can't wrap my head's perspective around that pic... Is it upside down or am I just a doofus?

It's sideways. The gray granules are insulation on the bottom side. The posters are between the vertical two by fours.

This one too?

Nope, that one is right side up.Sorry for the sideways stuff.

I went to the courthouse and researched the deeds and the first land transfer on ths property was 1913. I am guessing that the house was built then, not 1923 like I was told.

I am waiting to here from someone who knows about Craftsman style homes. I still am confused about the alcove over the tub. All of the people that I have talked too about this house say that there has never been any real remodeling done and the kitchen counter and sink, and the sink and toilet in the bathroom are the only things changed. I haven't pinned down when the porch was enclosed, but I will.