This unusual card is a welcome card sent to recent visitors to the church that sent the cards. They had no description on the back , and were sent to the visiting worshipper by one of the church staff.
As noted there is no description on the back, only the caption on the front:
Welcome Visitor
We are glad you visited us and hope you will come AGAIN!
Come near before the Lord.
…Exodus 16:9
–The exact church that sent the card originally is unknown, however, it was mailed from Arnold’s Park, Iowa, and is dated 17 September 1963.