I was trolling and found these.
1984 K10 regular cab manual in Conover, NC
http://www.govdeals.com/index.cfm?fa=Main.Item&itemid=153&acctid=1555
1986 C20 2wd reg cab w service body
http://www.govdeals.com/index.cfm?fa=Main.Item&itemid=5&acctid=7395
1970 Chevrolet C20 2wd 78594
http://www.govdeals.com/index.cfm?fa=Main.Item&itemid=2&acctid=6811
1987 Chevy C10
http://www.govdeals.com/index.cfm?fa=Main.Item&itemid=168&acctid=1021
1984 K10 regular cab manual in Conover, NC
http://www.govdeals.com/index.cfm?fa=Main.Item&itemid=153&acctid=1555
1986 C20 2wd reg cab w service body
http://www.govdeals.com/index.cfm?fa=Main.Item&itemid=5&acctid=7395
1970 Chevrolet C20 2wd 78594
http://www.govdeals.com/index.cfm?fa=Main.Item&itemid=2&acctid=6811
1987 Chevy C10
http://www.govdeals.com/index.cfm?fa=Main.Item&itemid=168&acctid=1021