DescriptionFlat wooden ruler with one end squared off, the other curved with a hole for hanging. On one side of the ruler is branded for the Douglas Service Station, Standard Oil Products, Pennzoil and Kelly Tires. The other side is a Legal Fish Rule, by Grand Rapids Calendar Co. It shows the minimum size and daily quotas for Blue Gills, Sunfish; Trout, White and Rock Bass, Perch, Wall Eyed Pike, Large and Small Mouth Bass plus the slogan "Be a true sportsman - if they don't measure up, put 'em back." The ruler is labeled "Tarue" in two places.