Here's a very correct reproduction.Looking for a pair of NOS wiper arms for a 1971 duster.
Rock auto has/had them last time I looked and they were much less $ if I remember correctly.Here's a very correct reproduction.
2889951 - 1967-76 Dart, Barracuda, Valiant, Duster; Windshield Wiper Arms; Anco Style; Pair