The Canadian Pacific Banff Park Observation Car No. 2551 was available only in 1957. There are left and right side people silhouette inserts on the interior of the windows. It came with Type VIII die-cast four-wheel passenger trucks equipped with one magnetic coupler.
This flat channeled aluminum observation car has SILVER painted end top and skirt and vestibule end. The CHESTNUT stripes have GOLD lettering. There are no variations.
This car was designed to work on the larger radius of O Gauge Track only, and will not operate on the tighter radius of O27 Gauge Track.