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Here's a Kijiji link to a 70.......
http://grandeprairie.kijiji.ca/c-ca...ars-1970-Duster-3-500-Firm-W0QQAdIdZ375126718
http://grandeprairie.kijiji.ca/c-ca...ars-1970-Duster-3-500-Firm-W0QQAdIdZ375126718