The HQ Sandman I own was completed on the 18 of January 1974, it is a Ute, is in "Mustard (1973 colour"), it is a 6 cylinder. was sent to Preston Motors, South Melbourne and It has a Holden Historic Services report confirming the above, HHS, Thought may have been a demonstrator, (Preston Motors is Victorian for Holden) most curious if you know of an older Sandman!