Some auction sites list these from 1965, but the data for the one shown is unknown.

Addams Family was originally a 1938 magazine comic in the New Yorker, about an eccentric and macabre family who seems entirely unaware of that fact. In 1964, there was a black and white TV adaptation, and there have also been movies, games, musicals, and other tie-ins to the comic. The characters are still household names today: Morticia Addams, Gomez, Uncle Fester, Lurch, Wednesday, Pugsley, and The Thing, a disembodied hand.

The family as they first appeared in the 1938 cartoon, and the somewhat more famous mansion in the TV intro.

Here is a circa 1965 model from the post image, constructed in recent times.