MAY G. SPENCER
ASA W. SPENCER
They have a unique inscription:
The word or term mizpah is Hebrew, meaning 'watchtower.' On a gravestone, it often means 'The Lord watch between me and thee, when we are absent one from the other.'
May lost her husband Asa suddenly and I'm sure this was a way for her to remember him until they were reunited.
The term is often used on jewelry: