Memories change over several years, it's really common. The main points usually stick, but the details drift. I've even tried to track down stuff I "knew" I was involved with in a certain year, only to find out I was a year off.
The closeup does look a lot more like him, but I haven't seen a pic of Ruth smiling like that, and even in pics from before 1920 he looks more wrinkly. I guess that can change or be hidden by the focus?
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