Ok, here are some photos. The first set came off my car and were on when I purchased it. I know they are not the original tires that came with the car, I'm going to guess they were among the last of the GSC tires produced just based on car mileage. Tread depth appears to be just a hair under 1/4".
http://i23.tinypic.com/2eeiirq.jpg
http://i22.tinypic.com/sblgyh.jpg
http://i23.tinypic.com/2dbpdo1.jpg