If you paid the collection agency, and the collection agency is who is reporting on your CR, send the GW letter to the collection agency.
If the OC is also reporting, you can try sending them a GW letter as well.
2009-10 - C/Os
2011 - Debts paid, no open credit
2012 - Rebuilding started, secured cards opened, SL rehabbed - EQ myFICO 636
2014 - 10k Discover, 3.5k Freedom, AmEx Green, SL, Auto Loan - EQ myFICO 695
