I know they are tough to find these days but I feel that is double what it is actually worth...Makes me picking up a perfect used one and an Nos one for $240 last year an incredible deal..
https://www.ebay.com/itm/1972-Plymo...670415?hash=item28a0374c4f:g:qW0AAOSw-AFfjifZ
https://www.ebay.com/itm/1972-Plymo...670415?hash=item28a0374c4f:g:qW0AAOSw-AFfjifZ