Notice the Stern look on the woman's face. Women in Colonial times had buttons fashioned with their likeness on them and sewed them on their husbands jacket cuffs. As the husband was enjoying himself at the local Pub, it was her face on his sleeve that was there to remind him to get home soon. As the light got darker the more time passed the shadows on the face of the button kept making the woman look sterner. If he waited until it looked like a frown, he knew that when he got home there would be a rolling pin waiting for him at the door.
Great Find!