This is a vintage 1980s Santa Cruz Bullet Wheels shield sticker.

The sticker features a yellow and black quartered shield design with various symbols, including a red stylized "B" and a red cross.

It is branded with "BULLET WHEELS SANTA CRUZ" on the top right quadrant and "SPEED WHEELS SANTA CRUZ" on the blue ribbons flanking the bottom.

These rare, original stickers are highly sought after by collectors of vintage skateboarding memorabilia.