We’ve seen this one before. Says the back:

We were up on Sound to see Eloise and Ben. They are all well. Elise sure has lost weight to. We were there for Dinner Mer Cobb tastes real grand they sure were glad to see me Buck looks good. They sure have a nice place, But so big (To much work) Having a wonderful time this is the last card Marie

And Marie was never heard from again. To bad.