Super Mario Brothers Yellow ? Coin Enamel Pin Design: Features the iconic yellow question mark coin from the Super Mario Brothers series, capturing a classic symbol from the beloved video game franchise. Size: Measures 0.75 inches in both height and width, making it a small yet recognizable accessory for fans. Material: Crafted from durable enamel with a polished finish, ensuring longevity and a vibrant appearance. Attachment: Comes with a standard pin back for easy and secure fastening to jackets, bags, hats, or other items.