Southwestern Architecture (Acrylic on Pasteboard)

(Value Village Art Gallery Favorite)

These are the first Best in Shows I've inducted in probably well over a month, maybe longer. 

Every once in a while I see something like these two and my gut tells me "Paint By Numbers" kit. But those usually involve much more detail and many more colors so I think someone did these all on their own. And I like them very very much. It's a pity they were not signed. These appear to be quite old, judging by the condition of the back. I'm guessing (?) 1970s or 1980s? I could be wrong though. I am going to regret not buying these.