How about these?
http://cgi.ebay.com/ebaymotors/Tail-Light-Assemblies-L-R-1972-Plymouth-Duster-CLEAN-_W0QQcmdZViewItemQQhashZitem1e62fb5014QQitemZ130509656084QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories
Hey PhattieDaddy,
I have a nice 72' Duster split bench seat (tan) I would consider trading for a set of buckets also.
Let me know if you're interested.