When the green station wagon owned by Vanguard is shown again after its first appearance, its license plate number is not the same as it was the last time it was seen.
Baranaby mentions early on that warehouse 8 is the one that is being suspiciously sold. Later he's shown going to that warehouse to check it out but the building he goes into is labeled warehouse 6.
Before the old black Ford is shown driving off the dock, both passenger side hubcaps are on the vehicle. When it's shown driving off the dock a second later both passenger side hubcaps are missing.
Stayley Kircher was being chauffeured in a '50 Ford before the presumed car was driven off of the dock. The car transformed into a '49 Ford when later towed to salvage yard.