Not being fluent with the Dutch language, we are not sure if this is a calendar for only one year, or if it is a perpetual calendar.

Whichever, it is an interesting example of the variety of subjects used on this handy item. Each side is filled with lettering, perhaps one side is the first six months and the other side is the second six months.

5" x 2 3/8" and made in 1787.