If you always wanted to know how rare it is - here's the answer for Boattail Rivs. Newest addition to the Boattail Registry library - <center> </center> Boattail Riviera Option-Production Numbers - Prices - Availability-Colors unfortunate adobe messed up the links - so color charts with working links to paint ref are at http://boattail-riviera-by-buick.com...ex_gallery.php http://boattail-riviera-by-buick.com...ex_gallery.php http://boattail-riviera-by-buick.com...ex_gallery.php and Diego's blog is http://www.examiner.com/muscle-car-and-classic-car-in-new-york/diego-rosenberg