This Hibernacula-exclusive hard enamel pin was inspired by my favorite motif in art, geometry, and nature: The Fibonacci, also known as the golden section, or sacred spiral. The elegent details were inspired by the shells of nautilus and ancient ammonite. The rainbow colors and iridescent sparkle was modeled after the fire-opal appearance of fossil ammolite. It is truly a mesmerizing artifact, and it is a pleasure just watching the light play across it. Add this beauty to your jacket, backpack, scarf, hat, or whatever you please, and it will add joy and wonder to your life. Makes an excellent gift!