Koehler Pharmacy Token. Janesville, MN. Material: wood. Size: 1 1/2" diameter x 1/8" D. Description: natural wooden disk; black print on one side: "Good For 5 Cents On Any Prescription Filled At Koehler Phcy Janesville, Minn."; reverse side: profile view of a Native American Indian, black print around top: "Wooden Nickel."