Prophetic Herald was founded in Spokane, Washington by Alexander Schiffner in 1962. The Hall Hoag collection contains items from the 1960s through the 1990s, although it is hard to determine if it is still being published.
It is a religious publication based on the concept that Christ will soon return to Earth. See the image below for more details on their beliefs. Prophetic Herald was published monthly on a variety of topics revolving around the prophecies of the bible.