1986 Blockhead Skateboards Model: Logo Specs: ?"x?", 7-ply maple with fiberglass, wood by Uncle Wiggly. Printing: Blockhead screen shop Roseville. NOTES: [COLLABORATION: Ron Cameron x David Bergthold]. I did the square logo art, Dave assisted with the background art. This was the first logo that I did for Blockhead, and one of the first board graphics.