Is the 1964 Rand/Cushman Mailster Worth $4,500?

This 1964 Rand/Cushman Mailster, a small three-wheel box van that was once a common sight on US streets as part of the United States Postal Service fleet, is up for sale for $4,500. Powered by a 7.5 horsepower Onan air-cooled flat twin, it has a top speed of 35 mph and can carry up to 500 pounds of mail. The vehicle comes in old-school Postal Livery and has sliding doors in the front and barn doors in the back. The seller claims it is roadworthy and has a clean title and current motorcycle tags.