rear window

Hi All! I am restoring a 1973 Mach 1 Mustang, and am looking for some rear window louvers. I'd like to buy some used ones for less than 300. ( I can buy brand new ones of cjponyparts for 300) If any of you guys have any suggestions (or unused louvers) PLEASE let me know! Thanks! Here's a pic...

Hello, new member here. Have a 66 convertible that has just had the ¼ window regulators replaced, and I am having a problem. I used new Scott Drake parts. The window seals well to both the roof and the front window...no problem there. However, when I lower the rear windows (both sides), about...