This yellow, white, and black butterfly pin has beautiful wings outlined and accented with fine guilloche enamel work. The pin is sterling silver and marked with Finn Jensen's mark. This Norway firm was sold in 1976 to OPRO, so it is as least 40 years old. It is in excellent original condition. It measures 1 3/8" X 3/4" high. There is curvature, allowing the surface to catch the light. The pin weighs 4.5 grams.