Oswald in the doorway: the blog of the Oswald Innocence Campaign, by Ralph Cinque

This is weird. The Marguerite of fame liked to loop her M. Nice little flourish. I don't believe I have ever seen that before. 

And she did it in 1935 when she wrote a love note to her 1 year old son Robert, who was born in 1934. You see how that loop is the same? How many people do that? It can't be too many. 

However, we've got other samples of the cursive handwriting of Marguerite. Here is a letter she wrote to her son John Pic.

Notice on the right that she didn't loop the M in Mother. You could say that maybe she didn't do it every time, but she did it in 1935 and then again 40 years later, so that suggests an ingrained habit to me. Also, John Armstrong notes that when t was the last letter in a word, she didn't lift the pen to cross the t. Rather, she just swerved left with a flourish. But, you don't see that on the left. And compare the making of y. On the right, it's very broad and almost box-like. On the left, it looks like a normal y. 

So, who signed that photo for Robert? I suspect it was the Marguerite of fame, and not the real Marguerite who wrote the letter to Pic.