Arnel's was a Beaverton, Oregon company that manufactured long lasting, high quality ceramic pottery.Arnel's started in 1953 in Beaverton, Oregon, making high quality ceramic molds and finished wares. The molds could be purchased at hobby/craft stores and then have ceramics created by enthusiasts.
Mart, this could possibly be a toothpick holder. I just would have to see a toothpick in relation to it. Toothpick holders were very popular during this time period for the "woman's luncheon" era.