Refine Your Motorcycle Collection

By Mark Mederski | Photos by Jake Pullan
Updated on December 12, 2025
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by Jake Pullan
Among a row of 1969 to 1976 CB750s, in most colors offered, is a fine K1 in Valley Green Metallic.

Most automobile and motorcycle collectors already know that Mecum Auctions is one of the largest, most active vehicle auction companies. But leading up to their big sales, how does all that auction inventory come together?

How are sellers and buyers brought together, and motor vehicles passed from one collector to the next? To understand, I flew into Bismarck, North Dakota, and met up with Greg Arnold and Craig Mallery, who are the key guys in Mecum’s motorcycle auction program. They were in town to work with Lee Mitzel, a motorcycle collector interested in getting some space back in a few of his buildings that now hold approximately 600 machines.

Packed with great motorcycles

It wasn’t easy doing a walk-through because Mitzel has his bikes placed very close together. But I saw some great motorcycles, and wondered how Mitzel decides what stays and what goes — that decision is always tough. One of the beauties of Mitzel working with Greg Arnold and Craig Mallery is that they have a strong working knowledge of collector bikes. They know what was hot last year, what may have been over-represented, what might need another year or two to mature in value, and what’s not quite ready to go to market. This sort of savvy can keep collectors like Lee Mitzel in a safe place, ensuring that his hard-earned money, now invested in old bikes, is well protected.

After some discussion and crawling around the machines, taking note of Lee’s interest in keeping or selling, Greg Arnold was at the ready to attach a distinctive white plastic tag to indicate a given bike was heading to auction. Tagged bikes were then moved to an area convenient for collection by Haul Bikes, Mecum’s favored transporter. This was Craig Mallery’s cue to make his way toward that machine, photograph that tag, which now had a number on it, photograph the serial numbers on the bike’s head stock and those on the engine, and make a couple of quick overall photographs that would all become part of his auction motorcycle database.

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