This is a sticker from Clark Foam. It's a sticker where only the letters remain. This is from the legendary surfboard blank company that was in production from 1960 to 2005. ・Brand: CLARKFORM (Clark Foam) ・Product Name: Sticker, Cut-out type ・Color: Black ・Size: Approximately 7.2cm tall, 11cm wide If you have any questions, please leave a comment and I will answer. Thank you for looking.