Get free autographs ($20-24 value) from the Diaz brothers if you bring in this coupon found in Metro magazine:

Metro ad coupon

Saturday August 14th (this week!) 1PM-3PM.

Avatar Hotel (next to iHop)
4200 Great America Pkwy
Santa Clara, CA 95054

The autograph session is listed above but the card show will be open from 10AM-5PM.